Home / 14,276,750.40-21,371,385.60-7,867,382.40

Finding the Fourth Proportional to 14,276,750.40, 21,371,385.60 and 7,867,382.40

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Solution

The fourth proportional to 14,276,750.40, 21,371,385.60 and 7,867,382.40 is: 11,776,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276,750.40 : 21,371,385.60 = 7,867,382.40 : x
  2. Step 2: Convert to fraction form
    14,276,750.40/21,371,385.60 = 7,867,382.40/x
  3. Step 3: Cross multiply
    14,276,750.40x = 21,371,385.60 × 7,867,382.40
  4. Step 4: Simplify right side
    14,276,750.40x = 168,136,862,933,053.47
  5. Step 5: Solve for x
    x = 168,136,862,933,053.47/14,276,750.40
  6. Step 6: Final answer
    x = 11,776,970.12

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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.