Home / 10,402,135.20-15,602,911.20-4,722,350.40

Finding the Fourth Proportional to 10,402,135.20, 15,602,911.20 and 4,722,350.40

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Solution

The fourth proportional to 10,402,135.20, 15,602,911.20 and 4,722,350.40 is: 7,083,393.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,135.20 : 15,602,911.20 = 4,722,350.40 : x
  2. Step 2: Convert to fraction form
    10,402,135.20/15,602,911.20 = 4,722,350.40/x
  3. Step 3: Cross multiply
    10,402,135.20x = 15,602,911.20 × 4,722,350.40
  4. Step 4: Simplify right side
    10,402,135.20x = 73,682,413,946,484.48
  5. Step 5: Solve for x
    x = 73,682,413,946,484.48/10,402,135.20
  6. Step 6: Final answer
    x = 7,083,393.22

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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.