Home / 19,880,359.80-29,820,539.70-14,778,526.20

Finding the Fourth Proportional to 19,880,359.80, 29,820,539.70 and 14,778,526.20

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Solution

The fourth proportional to 19,880,359.80, 29,820,539.70 and 14,778,526.20 is: 22,167,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,880,359.80 : 29,820,539.70 = 14,778,526.20 : x
  2. Step 2: Convert to fraction form
    19,880,359.80/29,820,539.70 = 14,778,526.20/x
  3. Step 3: Cross multiply
    19,880,359.80x = 29,820,539.70 × 14,778,526.20
  4. Step 4: Simplify right side
    19,880,359.80x = 440,703,627,254,590.12
  5. Step 5: Solve for x
    x = 440,703,627,254,590.12/19,880,359.80
  6. Step 6: Final answer
    x = 22,167,789.30

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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.