Home / 39,478,060.80-59,217,091.20-12,554,438.40

Finding the Fourth Proportional to 39,478,060.80, 59,217,091.20 and 12,554,438.40

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Solution

The fourth proportional to 39,478,060.80, 59,217,091.20 and 12,554,438.40 is: 18,831,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,478,060.80 : 59,217,091.20 = 12,554,438.40 : x
  2. Step 2: Convert to fraction form
    39,478,060.80/59,217,091.20 = 12,554,438.40/x
  3. Step 3: Cross multiply
    39,478,060.80x = 59,217,091.20 × 12,554,438.40
  4. Step 4: Simplify right side
    39,478,060.80x = 743,437,323,697,582.12
  5. Step 5: Solve for x
    x = 743,437,323,697,582.12/39,478,060.80
  6. Step 6: Final answer
    x = 18,831,657.60

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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.