Home / 13,377,608.64-18,461,152.80-7,266,139.20

Finding the Fourth Proportional to 13,377,608.64, 18,461,152.80 and 7,266,139.20

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Solution

The fourth proportional to 13,377,608.64, 18,461,152.80 and 7,266,139.20 is: 10,027,300.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377,608.64 : 18,461,152.80 = 7,266,139.20 : x
  2. Step 2: Convert to fraction form
    13,377,608.64/18,461,152.80 = 7,266,139.20/x
  3. Step 3: Cross multiply
    13,377,608.64x = 18,461,152.80 × 7,266,139.20
  4. Step 4: Simplify right side
    13,377,608.64x = 134,141,306,037,269.77
  5. Step 5: Solve for x
    x = 134,141,306,037,269.77/13,377,608.64
  6. Step 6: Final answer
    x = 10,027,300.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.