Home / 12,716,224.64-17,547,691.20-6,915,000.32

Finding the Fourth Proportional to 12,716,224.64, 17,547,691.20 and 6,915,000.32

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Solution

The fourth proportional to 12,716,224.64, 17,547,691.20 and 6,915,000.32 is: 9,542,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716,224.64 : 17,547,691.20 = 6,915,000.32 : x
  2. Step 2: Convert to fraction form
    12,716,224.64/17,547,691.20 = 6,915,000.32/x
  3. Step 3: Cross multiply
    12,716,224.64x = 17,547,691.20 × 6,915,000.32
  4. Step 4: Simplify right side
    12,716,224.64x = 121,342,290,263,261.19
  5. Step 5: Solve for x
    x = 121,342,290,263,261.19/12,716,224.64
  6. Step 6: Final answer
    x = 9,542,320.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.