Home / 12,991,042.60-19,486,563.90-4,016,501.80

Finding the Fourth Proportional to 12,991,042.60, 19,486,563.90 and 4,016,501.80

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Solution

The fourth proportional to 12,991,042.60, 19,486,563.90 and 4,016,501.80 is: 6,024,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,991,042.60 : 19,486,563.90 = 4,016,501.80 : x
  2. Step 2: Convert to fraction form
    12,991,042.60/19,486,563.90 = 4,016,501.80/x
  3. Step 3: Cross multiply
    12,991,042.60x = 19,486,563.90 × 4,016,501.80
  4. Step 4: Simplify right side
    12,991,042.60x = 78,267,818,980,165.02
  5. Step 5: Solve for x
    x = 78,267,818,980,165.02/12,991,042.60
  6. Step 6: Final answer
    x = 6,024,752.70

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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.