Home / 14,013,607.80-21,020,411.70-12,499,000.95

Finding the Fourth Proportional to 14,013,607.80, 21,020,411.70 and 12,499,000.95

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Solution

The fourth proportional to 14,013,607.80, 21,020,411.70 and 12,499,000.95 is: 18,748,501.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013,607.80 : 21,020,411.70 = 12,499,000.95 : x
  2. Step 2: Convert to fraction form
    14,013,607.80/21,020,411.70 = 12,499,000.95/x
  3. Step 3: Cross multiply
    14,013,607.80x = 21,020,411.70 × 12,499,000.95
  4. Step 4: Simplify right side
    14,013,607.80x = 262,734,145,807,691.09
  5. Step 5: Solve for x
    x = 262,734,145,807,691.09/14,013,607.80
  6. Step 6: Final answer
    x = 18,748,501.43

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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.