Home / 13,140,472.20-19,702,154.70-11,796,779.40

Finding the Fourth Proportional to 13,140,472.20, 19,702,154.70 and 11,796,779.40

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Solution

The fourth proportional to 13,140,472.20, 19,702,154.70 and 11,796,779.40 is: 17,687,490.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,140,472.20 : 19,702,154.70 = 11,796,779.40 : x
  2. Step 2: Convert to fraction form
    13,140,472.20/19,702,154.70 = 11,796,779.40/x
  3. Step 3: Cross multiply
    13,140,472.20x = 19,702,154.70 × 11,796,779.40
  4. Step 4: Simplify right side
    13,140,472.20x = 232,421,972,700,573.19
  5. Step 5: Solve for x
    x = 232,421,972,700,573.19/13,140,472.20
  6. Step 6: Final answer
    x = 17,687,490.16

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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.