Home / 40,553,552.61-55,963,663.02-21,969,047.07

Finding the Fourth Proportional to 40,553,552.61, 55,963,663.02 and 21,969,047.07

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Solution

The fourth proportional to 40,553,552.61, 55,963,663.02 and 21,969,047.07 is: 30,317,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553,552.61 : 55,963,663.02 = 21,969,047.07 : x
  2. Step 2: Convert to fraction form
    40,553,552.61/55,963,663.02 = 21,969,047.07/x
  3. Step 3: Cross multiply
    40,553,552.61x = 55,963,663.02 × 21,969,047.07
  4. Step 4: Simplify right side
    40,553,552.61x = 1,229,468,347,095,998.50
  5. Step 5: Solve for x
    x = 1,229,468,347,095,998.50/40,553,552.61
  6. Step 6: Final answer
    x = 30,317,155.17

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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.