Home / 42,521,861.94-63,792,952.74-13,768,029.15

Finding the Fourth Proportional to 42,521,861.94, 63,792,952.74 and 13,768,029.15

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Solution

The fourth proportional to 42,521,861.94, 63,792,952.74 and 13,768,029.15 is: 20,655,333.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,521,861.94 : 63,792,952.74 = 13,768,029.15 : x
  2. Step 2: Convert to fraction form
    42,521,861.94/63,792,952.74 = 13,768,029.15/x
  3. Step 3: Cross multiply
    42,521,861.94x = 63,792,952.74 × 13,768,029.15
  4. Step 4: Simplify right side
    42,521,861.94x = 878,303,232,888,892.38
  5. Step 5: Solve for x
    x = 878,303,232,888,892.38/42,521,861.94
  6. Step 6: Final answer
    x = 20,655,333.35

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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.