Home / 18,896,042.80-28,344,064.20-10,402,577.20

Finding the Fourth Proportional to 18,896,042.80, 28,344,064.20 and 10,402,577.20

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Solution

The fourth proportional to 18,896,042.80, 28,344,064.20 and 10,402,577.20 is: 15,603,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896,042.80 : 28,344,064.20 = 10,402,577.20 : x
  2. Step 2: Convert to fraction form
    18,896,042.80/28,344,064.20 = 10,402,577.20/x
  3. Step 3: Cross multiply
    18,896,042.80x = 28,344,064.20 × 10,402,577.20
  4. Step 4: Simplify right side
    18,896,042.80x = 294,851,316,002,256.19
  5. Step 5: Solve for x
    x = 294,851,316,002,256.19/18,896,042.80
  6. Step 6: Final answer
    x = 15,603,865.80

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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.