Home / 28,998,627.36-40,020,655.68-15,948,186

Finding the Fourth Proportional to 28,998,627.36, 40,020,655.68 and 15,948,186

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Solution

The fourth proportional to 28,998,627.36, 40,020,655.68 and 15,948,186 is: 22,009,899.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998,627.36 : 40,020,655.68 = 15,948,186 : x
  2. Step 2: Convert to fraction form
    28,998,627.36/40,020,655.68 = 15,948,186/x
  3. Step 3: Cross multiply
    28,998,627.36x = 40,020,655.68 × 15,948,186
  4. Step 4: Simplify right side
    28,998,627.36x = 638,256,860,626,596.50
  5. Step 5: Solve for x
    x = 638,256,860,626,596.50/28,998,627.36
  6. Step 6: Final answer
    x = 22,009,899.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.