Home / 38,974,472.40-58,461,708.60-12,048,085.20

Finding the Fourth Proportional to 38,974,472.40, 58,461,708.60 and 12,048,085.20

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Solution

The fourth proportional to 38,974,472.40, 58,461,708.60 and 12,048,085.20 is: 18,072,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974,472.40 : 58,461,708.60 = 12,048,085.20 : x
  2. Step 2: Convert to fraction form
    38,974,472.40/58,461,708.60 = 12,048,085.20/x
  3. Step 3: Cross multiply
    38,974,472.40x = 58,461,708.60 × 12,048,085.20
  4. Step 4: Simplify right side
    38,974,472.40x = 704,351,646,150,372.75
  5. Step 5: Solve for x
    x = 704,351,646,150,372.75/38,974,472.40
  6. Step 6: Final answer
    x = 18,072,127.80

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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.