Home / 30,639,988.32-45,948,024.99-13,373,470.23

Finding the Fourth Proportional to 30,639,988.32, 45,948,024.99 and 13,373,470.23

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Solution

The fourth proportional to 30,639,988.32, 45,948,024.99 and 13,373,470.23 is: 20,054,986.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,639,988.32 : 45,948,024.99 = 13,373,470.23 : x
  2. Step 2: Convert to fraction form
    30,639,988.32/45,948,024.99 = 13,373,470.23/x
  3. Step 3: Cross multiply
    30,639,988.32x = 45,948,024.99 × 13,373,470.23
  4. Step 4: Simplify right side
    30,639,988.32x = 614,484,544,331,061.12
  5. Step 5: Solve for x
    x = 614,484,544,331,061.12/30,639,988.32
  6. Step 6: Final answer
    x = 20,054,986.25

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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.