Home / 30,452,421.58-42,026,999.10-16,704,042.90

Finding the Fourth Proportional to 30,452,421.58, 42,026,999.10 and 16,704,042.90

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Solution

The fourth proportional to 30,452,421.58, 42,026,999.10 and 16,704,042.90 is: 23,053,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,452,421.58 : 42,026,999.10 = 16,704,042.90 : x
  2. Step 2: Convert to fraction form
    30,452,421.58/42,026,999.10 = 16,704,042.90/x
  3. Step 3: Cross multiply
    30,452,421.58x = 42,026,999.10 × 16,704,042.90
  4. Step 4: Simplify right side
    30,452,421.58x = 702,020,795,924,661.38
  5. Step 5: Solve for x
    x = 702,020,795,924,661.38/30,452,421.58
  6. Step 6: Final answer
    x = 23,053,036.82

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1.5x scale

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.