Home / 9,869,947.20-14,804,920.80-7,478,462.70

Finding the Fourth Proportional to 9,869,947.20, 14,804,920.80 and 7,478,462.70

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Solution

The fourth proportional to 9,869,947.20, 14,804,920.80 and 7,478,462.70 is: 11,217,694.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,869,947.20 : 14,804,920.80 = 7,478,462.70 : x
  2. Step 2: Convert to fraction form
    9,869,947.20/14,804,920.80 = 7,478,462.70/x
  3. Step 3: Cross multiply
    9,869,947.20x = 14,804,920.80 × 7,478,462.70
  4. Step 4: Simplify right side
    9,869,947.20x = 110,718,047,979,254.17
  5. Step 5: Solve for x
    x = 110,718,047,979,254.17/9,869,947.20
  6. Step 6: Final answer
    x = 11,217,694.05

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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.