Home / 13,019,526.74-19,490,979.74-8,690,840.24

Finding the Fourth Proportional to 13,019,526.74, 19,490,979.74 and 8,690,840.24

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Solution

The fourth proportional to 13,019,526.74, 19,490,979.74 and 8,690,840.24 is: 13,010,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019,526.74 : 19,490,979.74 = 8,690,840.24 : x
  2. Step 2: Convert to fraction form
    13,019,526.74/19,490,979.74 = 8,690,840.24/x
  3. Step 3: Cross multiply
    13,019,526.74x = 19,490,979.74 × 8,690,840.24
  4. Step 4: Simplify right side
    13,019,526.74x = 169,392,991,041,416.72
  5. Step 5: Solve for x
    x = 169,392,991,041,416.72/13,019,526.74
  6. Step 6: Final answer
    x = 13,010,687.29

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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.