Home / 42,697,193.17-64,049,726.94-13,943,479.45

Finding the Fourth Proportional to 42,697,193.17, 64,049,726.94 and 13,943,479.45

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Solution

The fourth proportional to 42,697,193.17, 64,049,726.94 and 13,943,479.45 is: 20,916,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697,193.17 : 64,049,726.94 = 13,943,479.45 : x
  2. Step 2: Convert to fraction form
    42,697,193.17/64,049,726.94 = 13,943,479.45/x
  3. Step 3: Cross multiply
    42,697,193.17x = 64,049,726.94 × 13,943,479.45
  4. Step 4: Simplify right side
    42,697,193.17x = 893,076,051,366,001.25
  5. Step 5: Solve for x
    x = 893,076,051,366,001.25/42,697,193.17
  6. Step 6: Final answer
    x = 20,916,504.93

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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.