Home / 9,318,120.40-13,979,167.80-5,276,501.20

Finding the Fourth Proportional to 9,318,120.40, 13,979,167.80 and 5,276,501.20

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Solution

The fourth proportional to 9,318,120.40, 13,979,167.80 and 5,276,501.20 is: 7,915,877.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318,120.40 : 13,979,167.80 = 5,276,501.20 : x
  2. Step 2: Convert to fraction form
    9,318,120.40/13,979,167.80 = 5,276,501.20/x
  3. Step 3: Cross multiply
    9,318,120.40x = 13,979,167.80 × 5,276,501.20
  4. Step 4: Simplify right side
    9,318,120.40x = 73,761,095,671,701.36
  5. Step 5: Solve for x
    x = 73,761,095,671,701.36/9,318,120.40
  6. Step 6: Final answer
    x = 7,915,877.08

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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.