Home / 12,572,048.70-18,830,079.45-10,892,432.70

Finding the Fourth Proportional to 12,572,048.70, 18,830,079.45 and 10,892,432.70

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Solution

The fourth proportional to 12,572,048.70, 18,830,079.45 and 10,892,432.70 is: 16,314,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572,048.70 : 18,830,079.45 = 10,892,432.70 : x
  2. Step 2: Convert to fraction form
    12,572,048.70/18,830,079.45 = 10,892,432.70/x
  3. Step 3: Cross multiply
    12,572,048.70x = 18,830,079.45 × 10,892,432.70
  4. Step 4: Simplify right side
    12,572,048.70x = 205,105,373,144,778
  5. Step 5: Solve for x
    x = 205,105,373,144,778/12,572,048.70
  6. Step 6: Final answer
    x = 16,314,395.37

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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.