Home / 8,257,383.60-12,386,075.40-6,556,772.40

Finding the Fourth Proportional to 8,257,383.60, 12,386,075.40 and 6,556,772.40

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Solution

The fourth proportional to 8,257,383.60, 12,386,075.40 and 6,556,772.40 is: 9,835,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257,383.60 : 12,386,075.40 = 6,556,772.40 : x
  2. Step 2: Convert to fraction form
    8,257,383.60/12,386,075.40 = 6,556,772.40/x
  3. Step 3: Cross multiply
    8,257,383.60x = 12,386,075.40 × 6,556,772.40
  4. Step 4: Simplify right side
    8,257,383.60x = 81,212,677,327,038.97
  5. Step 5: Solve for x
    x = 81,212,677,327,038.97/8,257,383.60
  6. Step 6: Final answer
    x = 9,835,158.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.