Home / 29,123,005.20-43,684,507.80-7,847,869.20

Finding the Fourth Proportional to 29,123,005.20, 43,684,507.80 and 7,847,869.20

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Solution

The fourth proportional to 29,123,005.20, 43,684,507.80 and 7,847,869.20 is: 11,771,803.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,123,005.20 : 43,684,507.80 = 7,847,869.20 : x
  2. Step 2: Convert to fraction form
    29,123,005.20/43,684,507.80 = 7,847,869.20/x
  3. Step 3: Cross multiply
    29,123,005.20x = 43,684,507.80 × 7,847,869.20
  4. Step 4: Simplify right side
    29,123,005.20x = 342,830,303,280,779.75
  5. Step 5: Solve for x
    x = 342,830,303,280,779.75/29,123,005.20
  6. Step 6: Final answer
    x = 11,771,803.80

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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.