Home / 38,974,426.40-58,461,639.60-12,048,039.20

Finding the Fourth Proportional to 38,974,426.40, 58,461,639.60 and 12,048,039.20

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Solution

The fourth proportional to 38,974,426.40, 58,461,639.60 and 12,048,039.20 is: 18,072,058.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,974,426.40 : 58,461,639.60 = 12,048,039.20 : x
  2. Step 2: Convert to fraction form
    38,974,426.40/58,461,639.60 = 12,048,039.20/x
  3. Step 3: Cross multiply
    38,974,426.40x = 58,461,639.60 × 12,048,039.20
  4. Step 4: Simplify right side
    38,974,426.40x = 704,348,125,597,072.25
  5. Step 5: Solve for x
    x = 704,348,125,597,072.25/38,974,426.40
  6. Step 6: Final answer
    x = 18,072,058.80

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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.