Home / 12,516,840.36-17,272,642.34-7,687,011.24

Finding the Fourth Proportional to 12,516,840.36, 17,272,642.34 and 7,687,011.24

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Solution

The fourth proportional to 12,516,840.36, 17,272,642.34 and 7,687,011.24 is: 10,607,708.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,516,840.36 : 17,272,642.34 = 7,687,011.24 : x
  2. Step 2: Convert to fraction form
    12,516,840.36/17,272,642.34 = 7,687,011.24/x
  3. Step 3: Cross multiply
    12,516,840.36x = 17,272,642.34 × 7,687,011.24
  4. Step 4: Simplify right side
    12,516,840.36x = 132,774,995,812,079.91
  5. Step 5: Solve for x
    x = 132,774,995,812,079.91/12,516,840.36
  6. Step 6: Final answer
    x = 10,607,708.65

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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.