Home / 19,402,185.40-29,103,278.10-13,355,567.80

Finding the Fourth Proportional to 19,402,185.40, 29,103,278.10 and 13,355,567.80

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Solution

The fourth proportional to 19,402,185.40, 29,103,278.10 and 13,355,567.80 is: 20,033,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402,185.40 : 29,103,278.10 = 13,355,567.80 : x
  2. Step 2: Convert to fraction form
    19,402,185.40/29,103,278.10 = 13,355,567.80/x
  3. Step 3: Cross multiply
    19,402,185.40x = 29,103,278.10 × 13,355,567.80
  4. Step 4: Simplify right side
    19,402,185.40x = 388,690,803,866,805.25
  5. Step 5: Solve for x
    x = 388,690,803,866,805.25/19,402,185.40
  6. Step 6: Final answer
    x = 20,033,351.70

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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.