Home / 28,125,074.16-42,191,532.72-8,695,886.40

Finding the Fourth Proportional to 28,125,074.16, 42,191,532.72 and 8,695,886.40

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Solution

The fourth proportional to 28,125,074.16, 42,191,532.72 and 8,695,886.40 is: 13,045,042.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,125,074.16 : 42,191,532.72 = 8,695,886.40 : x
  2. Step 2: Convert to fraction form
    28,125,074.16/42,191,532.72 = 8,695,886.40/x
  3. Step 3: Cross multiply
    28,125,074.16x = 42,191,532.72 × 8,695,886.40
  4. Step 4: Simplify right side
    28,125,074.16x = 366,892,775,575,003
  5. Step 5: Solve for x
    x = 366,892,775,575,003/28,125,074.16
  6. Step 6: Final answer
    x = 13,045,042.07

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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.