Home / 42,303,210.30-63,454,815.45-12,007,136.70

Finding the Fourth Proportional to 42,303,210.30, 63,454,815.45 and 12,007,136.70

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Solution

The fourth proportional to 42,303,210.30, 63,454,815.45 and 12,007,136.70 is: 18,010,705.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,210.30 : 63,454,815.45 = 12,007,136.70 : x
  2. Step 2: Convert to fraction form
    42,303,210.30/63,454,815.45 = 12,007,136.70/x
  3. Step 3: Cross multiply
    42,303,210.30x = 63,454,815.45 × 12,007,136.70
  4. Step 4: Simplify right side
    42,303,210.30x = 761,910,643,381,422
  5. Step 5: Solve for x
    x = 761,910,643,381,422/42,303,210.30
  6. Step 6: Final answer
    x = 18,010,705.05

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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.