Home / 42,697,223.28-64,049,772.13-13,943,509.56

Finding the Fourth Proportional to 42,697,223.28, 64,049,772.13 and 13,943,509.56

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Solution

The fourth proportional to 42,697,223.28, 64,049,772.13 and 13,943,509.56 is: 20,916,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,697,223.28 : 64,049,772.13 = 13,943,509.56 : x
  2. Step 2: Convert to fraction form
    42,697,223.28/64,049,772.13 = 13,943,509.56/x
  3. Step 3: Cross multiply
    42,697,223.28x = 64,049,772.13 × 13,943,509.56
  4. Step 4: Simplify right side
    42,697,223.28x = 893,078,609,975,617.75
  5. Step 5: Solve for x
    x = 893,078,609,975,617.75/42,697,223.28
  6. Step 6: Final answer
    x = 20,916,550.10

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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.