Home / 19,389,756.49-26,759,061.12-10,687,909.48

Finding the Fourth Proportional to 19,389,756.49, 26,759,061.12 and 10,687,909.48

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Solution

The fourth proportional to 19,389,756.49, 26,759,061.12 and 10,687,909.48 is: 14,749,974.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389,756.49 : 26,759,061.12 = 10,687,909.48 : x
  2. Step 2: Convert to fraction form
    19,389,756.49/26,759,061.12 = 10,687,909.48/x
  3. Step 3: Cross multiply
    19,389,756.49x = 26,759,061.12 × 10,687,909.48
  4. Step 4: Simplify right side
    19,389,756.49x = 285,998,423,020,347.44
  5. Step 5: Solve for x
    x = 285,998,423,020,347.44/19,389,756.49
  6. Step 6: Final answer
    x = 14,749,974.98

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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.