Home / 13,924,430.80-19,215,769.80-7,812,460.24

Finding the Fourth Proportional to 13,924,430.80, 19,215,769.80 and 7,812,460.24

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Solution

The fourth proportional to 13,924,430.80, 19,215,769.80 and 7,812,460.24 is: 10,781,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924,430.80 : 19,215,769.80 = 7,812,460.24 : x
  2. Step 2: Convert to fraction form
    13,924,430.80/19,215,769.80 = 7,812,460.24/x
  3. Step 3: Cross multiply
    13,924,430.80x = 19,215,769.80 × 7,812,460.24
  4. Step 4: Simplify right side
    13,924,430.80x = 150,122,437,543,492.75
  5. Step 5: Solve for x
    x = 150,122,437,543,492.75/13,924,430.80
  6. Step 6: Final answer
    x = 10,781,226.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.