Home / 8,423,187.60-12,643,075.80-4,168,160.40

Finding the Fourth Proportional to 8,423,187.60, 12,643,075.80 and 4,168,160.40

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Solution

The fourth proportional to 8,423,187.60, 12,643,075.80 and 4,168,160.40 is: 6,256,345.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423,187.60 : 12,643,075.80 = 4,168,160.40 : x
  2. Step 2: Convert to fraction form
    8,423,187.60/12,643,075.80 = 4,168,160.40/x
  3. Step 3: Cross multiply
    8,423,187.60x = 12,643,075.80 × 4,168,160.40
  4. Step 4: Simplify right side
    8,423,187.60x = 52,698,367,883,758.32
  5. Step 5: Solve for x
    x = 52,698,367,883,758.32/8,423,187.60
  6. Step 6: Final answer
    x = 6,256,345.03

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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.