Home / 46,656,438.60-69,984,657.90-28,516,585.80

Finding the Fourth Proportional to 46,656,438.60, 69,984,657.90 and 28,516,585.80

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Solution

The fourth proportional to 46,656,438.60, 69,984,657.90 and 28,516,585.80 is: 42,774,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,656,438.60 : 69,984,657.90 = 28,516,585.80 : x
  2. Step 2: Convert to fraction form
    46,656,438.60/69,984,657.90 = 28,516,585.80/x
  3. Step 3: Cross multiply
    46,656,438.60x = 69,984,657.90 × 28,516,585.80
  4. Step 4: Simplify right side
    46,656,438.60x = 1,995,723,501,688,998
  5. Step 5: Solve for x
    x = 1,995,723,501,688,998/46,656,438.60
  6. Step 6: Final answer
    x = 42,774,878.70

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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.