Home / 7,013,390.40-10,520,085.60-5,752,641.60

Finding the Fourth Proportional to 7,013,390.40, 10,520,085.60 and 5,752,641.60

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Solution

The fourth proportional to 7,013,390.40, 10,520,085.60 and 5,752,641.60 is: 8,628,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013,390.40 : 10,520,085.60 = 5,752,641.60 : x
  2. Step 2: Convert to fraction form
    7,013,390.40/10,520,085.60 = 5,752,641.60/x
  3. Step 3: Cross multiply
    7,013,390.40x = 10,520,085.60 × 5,752,641.60
  4. Step 4: Simplify right side
    7,013,390.40x = 60,518,282,058,120.95
  5. Step 5: Solve for x
    x = 60,518,282,058,120.95/7,013,390.40
  6. Step 6: Final answer
    x = 8,628,962.40

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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.