Home / 39,877,600.80-59,816,401.20-12,953,978.40

Finding the Fourth Proportional to 39,877,600.80, 59,816,401.20 and 12,953,978.40

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Solution

The fourth proportional to 39,877,600.80, 59,816,401.20 and 12,953,978.40 is: 19,430,967.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,877,600.80 : 59,816,401.20 = 12,953,978.40 : x
  2. Step 2: Convert to fraction form
    39,877,600.80/59,816,401.20 = 12,953,978.40/x
  3. Step 3: Cross multiply
    39,877,600.80x = 59,816,401.20 × 12,953,978.40
  4. Step 4: Simplify right side
    39,877,600.80x = 774,860,369,110,534.12
  5. Step 5: Solve for x
    x = 774,860,369,110,534.12/39,877,600.80
  6. Step 6: Final answer
    x = 19,430,967.60

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Similar ratio
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1.5x scale

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.