Home / 42,985,911.70-64,487,377.32-12,280,752.46

Finding the Fourth Proportional to 42,985,911.70, 64,487,377.32 and 12,280,752.46

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Solution

The fourth proportional to 42,985,911.70, 64,487,377.32 and 12,280,752.46 is: 18,423,559.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,985,911.70 : 64,487,377.32 = 12,280,752.46 : x
  2. Step 2: Convert to fraction form
    42,985,911.70/64,487,377.32 = 12,280,752.46/x
  3. Step 3: Cross multiply
    42,985,911.70x = 64,487,377.32 × 12,280,752.46
  4. Step 4: Simplify right side
    42,985,911.70x = 791,953,517,661,538.25
  5. Step 5: Solve for x
    x = 791,953,517,661,538.25/42,985,911.70
  6. Step 6: Final answer
    x = 18,423,559.87

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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.