Home / 19,587,008.79-29,385,492.26-11,506,816.53

Finding the Fourth Proportional to 19,587,008.79, 29,385,492.26 and 11,506,816.53

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Solution

The fourth proportional to 19,587,008.79, 29,385,492.26 and 11,506,816.53 is: 17,263,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587,008.79 : 29,385,492.26 = 11,506,816.53 : x
  2. Step 2: Convert to fraction form
    19,587,008.79/29,385,492.26 = 11,506,816.53/x
  3. Step 3: Cross multiply
    19,587,008.79x = 29,385,492.26 × 11,506,816.53
  4. Step 4: Simplify right side
    19,587,008.79x = 338,133,468,022,020.94
  5. Step 5: Solve for x
    x = 338,133,468,022,020.94/19,587,008.79
  6. Step 6: Final answer
    x = 17,263,149.86

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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.