Home / 20,358,463.02-28,085,314.60-18,037,724.34

Finding the Fourth Proportional to 20,358,463.02, 28,085,314.60 and 18,037,724.34

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Solution

The fourth proportional to 20,358,463.02, 28,085,314.60 and 18,037,724.34 is: 24,883,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358,463.02 : 28,085,314.60 = 18,037,724.34 : x
  2. Step 2: Convert to fraction form
    20,358,463.02/28,085,314.60 = 18,037,724.34/x
  3. Step 3: Cross multiply
    20,358,463.02x = 28,085,314.60 × 18,037,724.34
  4. Step 4: Simplify right side
    20,358,463.02x = 506,595,162,756,977.38
  5. Step 5: Solve for x
    x = 506,595,162,756,977.38/20,358,463.02
  6. Step 6: Final answer
    x = 24,883,762.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.