Home / 42,679,411.77-64,019,285.75-10,331,262.36

Finding the Fourth Proportional to 42,679,411.77, 64,019,285.75 and 10,331,262.36

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Solution

The fourth proportional to 42,679,411.77, 64,019,285.75 and 10,331,262.36 is: 15,496,934.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,679,411.77 : 64,019,285.75 = 10,331,262.36 : x
  2. Step 2: Convert to fraction form
    42,679,411.77/64,019,285.75 = 10,331,262.36/x
  3. Step 3: Cross multiply
    42,679,411.77x = 64,019,285.75 × 10,331,262.36
  4. Step 4: Simplify right side
    42,679,411.77x = 661,400,037,131,403
  5. Step 5: Solve for x
    x = 661,400,037,131,403/42,679,411.77
  6. Step 6: Final answer
    x = 15,496,934.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.