Home / 13,191,301.40-19,786,952.10-6,472,837.40

Finding the Fourth Proportional to 13,191,301.40, 19,786,952.10 and 6,472,837.40

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Solution

The fourth proportional to 13,191,301.40, 19,786,952.10 and 6,472,837.40 is: 9,709,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,301.40 : 19,786,952.10 = 6,472,837.40 : x
  2. Step 2: Convert to fraction form
    13,191,301.40/19,786,952.10 = 6,472,837.40/x
  3. Step 3: Cross multiply
    13,191,301.40x = 19,786,952.10 × 6,472,837.40
  4. Step 4: Simplify right side
    13,191,301.40x = 128,077,723,584,888.56
  5. Step 5: Solve for x
    x = 128,077,723,584,888.56/13,191,301.40
  6. Step 6: Final answer
    x = 9,709,256.10

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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.