Home / 15,878,558.91-21,904,332.10-10,375,151.07

Finding the Fourth Proportional to 15,878,558.91, 21,904,332.10 and 10,375,151.07

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Solution

The fourth proportional to 15,878,558.91, 21,904,332.10 and 10,375,151.07 is: 14,312,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878,558.91 : 21,904,332.10 = 10,375,151.07 : x
  2. Step 2: Convert to fraction form
    15,878,558.91/21,904,332.10 = 10,375,151.07/x
  3. Step 3: Cross multiply
    15,878,558.91x = 21,904,332.10 × 10,375,151.07
  4. Step 4: Simplify right side
    15,878,558.91x = 227,260,754,583,158.47
  5. Step 5: Solve for x
    x = 227,260,754,583,158.47/15,878,558.91
  6. Step 6: Final answer
    x = 14,312,429.48

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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.