Home / 10,555,931.80-15,833,897.70-9,338,210.20

Finding the Fourth Proportional to 10,555,931.80, 15,833,897.70 and 9,338,210.20

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Solution

The fourth proportional to 10,555,931.80, 15,833,897.70 and 9,338,210.20 is: 14,007,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,555,931.80 : 15,833,897.70 = 9,338,210.20 : x
  2. Step 2: Convert to fraction form
    10,555,931.80/15,833,897.70 = 9,338,210.20/x
  3. Step 3: Cross multiply
    10,555,931.80x = 15,833,897.70 × 9,338,210.20
  4. Step 4: Simplify right side
    10,555,931.80x = 147,860,265,007,896.53
  5. Step 5: Solve for x
    x = 147,860,265,007,896.53/10,555,931.80
  6. Step 6: Final answer
    x = 14,007,315.30

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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.