Home / 15,497,041.28-21,386,113.71-8,528,521.17

Finding the Fourth Proportional to 15,497,041.28, 21,386,113.71 and 8,528,521.17

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Solution

The fourth proportional to 15,497,041.28, 21,386,113.71 and 8,528,521.17 is: 11,769,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497,041.28 : 21,386,113.71 = 8,528,521.17 : x
  2. Step 2: Convert to fraction form
    15,497,041.28/21,386,113.71 = 8,528,521.17/x
  3. Step 3: Cross multiply
    15,497,041.28x = 21,386,113.71 × 8,528,521.17
  4. Step 4: Simplify right side
    15,497,041.28x = 182,391,923,412,831.66
  5. Step 5: Solve for x
    x = 182,391,923,412,831.66/15,497,041.28
  6. Step 6: Final answer
    x = 11,769,467.48

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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.