Home / 19,316,208.20-28,974,312.30-5,851,286.60

Finding the Fourth Proportional to 19,316,208.20, 28,974,312.30 and 5,851,286.60

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Solution

The fourth proportional to 19,316,208.20, 28,974,312.30 and 5,851,286.60 is: 8,776,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,316,208.20 : 28,974,312.30 = 5,851,286.60 : x
  2. Step 2: Convert to fraction form
    19,316,208.20/28,974,312.30 = 5,851,286.60/x
  3. Step 3: Cross multiply
    19,316,208.20x = 28,974,312.30 × 5,851,286.60
  4. Step 4: Simplify right side
    19,316,208.20x = 169,537,005,305,205.19
  5. Step 5: Solve for x
    x = 169,537,005,305,205.19/19,316,208.20
  6. Step 6: Final answer
    x = 8,776,929.90

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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.