Home / 13,149,628.80-19,710,446.40-5,059,478.40

Finding the Fourth Proportional to 13,149,628.80, 19,710,446.40 and 5,059,478.40

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Solution

The fourth proportional to 13,149,628.80, 19,710,446.40 and 5,059,478.40 is: 7,583,832.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,149,628.80 : 19,710,446.40 = 5,059,478.40 : x
  2. Step 2: Convert to fraction form
    13,149,628.80/19,710,446.40 = 5,059,478.40/x
  3. Step 3: Cross multiply
    13,149,628.80x = 19,710,446.40 × 5,059,478.40
  4. Step 4: Simplify right side
    13,149,628.80x = 99,724,577,815,157.77
  5. Step 5: Solve for x
    x = 99,724,577,815,157.77/13,149,628.80
  6. Step 6: Final answer
    x = 7,583,832.16

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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.