Home / 10,402,161.20-15,602,950.20-4,722,376.40

Finding the Fourth Proportional to 10,402,161.20, 15,602,950.20 and 4,722,376.40

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Solution

The fourth proportional to 10,402,161.20, 15,602,950.20 and 4,722,376.40 is: 7,083,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,402,161.20 : 15,602,950.20 = 4,722,376.40 : x
  2. Step 2: Convert to fraction form
    10,402,161.20/15,602,950.20 = 4,722,376.40/x
  3. Step 3: Cross multiply
    10,402,161.20x = 15,602,950.20 × 4,722,376.40
  4. Step 4: Simplify right side
    10,402,161.20x = 73,683,003,794,855.28
  5. Step 5: Solve for x
    x = 73,683,003,794,855.28/10,402,161.20
  6. Step 6: Final answer
    x = 7,083,432.22

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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.