Home / 10,974,278.40-16,461,417.60-6,439,315.20

Finding the Fourth Proportional to 10,974,278.40, 16,461,417.60 and 6,439,315.20

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Solution

The fourth proportional to 10,974,278.40, 16,461,417.60 and 6,439,315.20 is: 9,658,972.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974,278.40 : 16,461,417.60 = 6,439,315.20 : x
  2. Step 2: Convert to fraction form
    10,974,278.40/16,461,417.60 = 6,439,315.20/x
  3. Step 3: Cross multiply
    10,974,278.40x = 16,461,417.60 × 6,439,315.20
  4. Step 4: Simplify right side
    10,974,278.40x = 106,000,256,565,227.52
  5. Step 5: Solve for x
    x = 106,000,256,565,227.52/10,974,278.40
  6. Step 6: Final answer
    x = 9,658,972.80

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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.