Home / 13,230,041.10-19,845,061.65-5,657,772.30

Finding the Fourth Proportional to 13,230,041.10, 19,845,061.65 and 5,657,772.30

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Solution

The fourth proportional to 13,230,041.10, 19,845,061.65 and 5,657,772.30 is: 8,486,658.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,230,041.10 : 19,845,061.65 = 5,657,772.30 : x
  2. Step 2: Convert to fraction form
    13,230,041.10/19,845,061.65 = 5,657,772.30/x
  3. Step 3: Cross multiply
    13,230,041.10x = 19,845,061.65 × 5,657,772.30
  4. Step 4: Simplify right side
    13,230,041.10x = 112,278,840,095,162.28
  5. Step 5: Solve for x
    x = 112,278,840,095,162.28/13,230,041.10
  6. Step 6: Final answer
    x = 8,486,658.45

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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.