Home / 21,541,508.42-29,727,140.54-12,249,079.17

Finding the Fourth Proportional to 21,541,508.42, 29,727,140.54 and 12,249,079.17

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Solution

The fourth proportional to 21,541,508.42, 29,727,140.54 and 12,249,079.17 is: 16,903,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,541,508.42 : 29,727,140.54 = 12,249,079.17 : x
  2. Step 2: Convert to fraction form
    21,541,508.42/29,727,140.54 = 12,249,079.17/x
  3. Step 3: Cross multiply
    21,541,508.42x = 29,727,140.54 × 12,249,079.17
  4. Step 4: Simplify right side
    21,541,508.42x = 364,130,097,799,454.38
  5. Step 5: Solve for x
    x = 364,130,097,799,454.38/21,541,508.42
  6. Step 6: Final answer
    x = 16,903,649.03

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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.