Home / 8,137,643.60-12,209,575.80-8,010,117.20

Finding the Fourth Proportional to 8,137,643.60, 12,209,575.80 and 8,010,117.20

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Solution

The fourth proportional to 8,137,643.60, 12,209,575.80 and 8,010,117.20 is: 12,018,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137,643.60 : 12,209,575.80 = 8,010,117.20 : x
  2. Step 2: Convert to fraction form
    8,137,643.60/12,209,575.80 = 8,010,117.20/x
  3. Step 3: Cross multiply
    8,137,643.60x = 12,209,575.80 × 8,010,117.20
  4. Step 4: Simplify right side
    8,137,643.60x = 97,800,133,120,283.77
  5. Step 5: Solve for x
    x = 97,800,133,120,283.77/8,137,643.60
  6. Step 6: Final answer
    x = 12,018,237.46

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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.