Home / 10,201,981.80-15,267,543.30-7,013,335.80

Finding the Fourth Proportional to 10,201,981.80, 15,267,543.30 and 7,013,335.80

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Solution

The fourth proportional to 10,201,981.80, 15,267,543.30 and 7,013,335.80 is: 10,495,647.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201,981.80 : 15,267,543.30 = 7,013,335.80 : x
  2. Step 2: Convert to fraction form
    10,201,981.80/15,267,543.30 = 7,013,335.80/x
  3. Step 3: Cross multiply
    10,201,981.80x = 15,267,543.30 × 7,013,335.80
  4. Step 4: Simplify right side
    10,201,981.80x = 107,076,408,003,940.14
  5. Step 5: Solve for x
    x = 107,076,408,003,940.14/10,201,981.80
  6. Step 6: Final answer
    x = 10,495,647.82

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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.