Home / 28,392,340.60-42,588,510.90-10,439,111.80

Finding the Fourth Proportional to 28,392,340.60, 42,588,510.90 and 10,439,111.80

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Solution

The fourth proportional to 28,392,340.60, 42,588,510.90 and 10,439,111.80 is: 15,658,667.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,340.60 : 42,588,510.90 = 10,439,111.80 : x
  2. Step 2: Convert to fraction form
    28,392,340.60/42,588,510.90 = 10,439,111.80/x
  3. Step 3: Cross multiply
    28,392,340.60x = 42,588,510.90 × 10,439,111.80
  4. Step 4: Simplify right side
    28,392,340.60x = 444,586,226,680,618.62
  5. Step 5: Solve for x
    x = 444,586,226,680,618.62/28,392,340.60
  6. Step 6: Final answer
    x = 15,658,667.70

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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.