Home / 10,368,421.40-15,552,632.10-9,234,680.60

Finding the Fourth Proportional to 10,368,421.40, 15,552,632.10 and 9,234,680.60

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Solution

The fourth proportional to 10,368,421.40, 15,552,632.10 and 9,234,680.60 is: 13,852,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,421.40 : 15,552,632.10 = 9,234,680.60 : x
  2. Step 2: Convert to fraction form
    10,368,421.40/15,552,632.10 = 9,234,680.60/x
  3. Step 3: Cross multiply
    10,368,421.40x = 15,552,632.10 × 9,234,680.60
  4. Step 4: Simplify right side
    10,368,421.40x = 143,623,589,932,807.25
  5. Step 5: Solve for x
    x = 143,623,589,932,807.25/10,368,421.40
  6. Step 6: Final answer
    x = 13,852,020.90

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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.