Home / 47,880,045.60-71,829,399.60-20,586,285.60

Finding the Fourth Proportional to 47,880,045.60, 71,829,399.60 and 20,586,285.60

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Solution

The fourth proportional to 47,880,045.60, 71,829,399.60 and 20,586,285.60 is: 30,883,440.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880,045.60 : 71,829,399.60 = 20,586,285.60 : x
  2. Step 2: Convert to fraction form
    47,880,045.60/71,829,399.60 = 20,586,285.60/x
  3. Step 3: Cross multiply
    47,880,045.60x = 71,829,399.60 × 20,586,285.60
  4. Step 4: Simplify right side
    47,880,045.60x = 1,478,700,534,642,125.75
  5. Step 5: Solve for x
    x = 1,478,700,534,642,125.75/47,880,045.60
  6. Step 6: Final answer
    x = 30,883,440.40

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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.