Home / 10,368,632.05-15,552,948.08-9,990,718.45

Finding the Fourth Proportional to 10,368,632.05, 15,552,948.08 and 9,990,718.45

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Solution

The fourth proportional to 10,368,632.05, 15,552,948.08 and 9,990,718.45 is: 14,986,077.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,632.05 : 15,552,948.08 = 9,990,718.45 : x
  2. Step 2: Convert to fraction form
    10,368,632.05/15,552,948.08 = 9,990,718.45/x
  3. Step 3: Cross multiply
    10,368,632.05x = 15,552,948.08 × 9,990,718.45
  4. Step 4: Simplify right side
    10,368,632.05x = 155,385,125,334,748.06
  5. Step 5: Solve for x
    x = 155,385,125,334,748.06/10,368,632.05
  6. Step 6: Final answer
    x = 14,986,077.68

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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.