Home / 30,689,412.30-42,348,373.83-16,937,488.26

Finding the Fourth Proportional to 30,689,412.30, 42,348,373.83 and 16,937,488.26

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Solution

The fourth proportional to 30,689,412.30, 42,348,373.83 and 16,937,488.26 is: 23,372,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,689,412.30 : 42,348,373.83 = 16,937,488.26 : x
  2. Step 2: Convert to fraction form
    30,689,412.30/42,348,373.83 = 16,937,488.26/x
  3. Step 3: Cross multiply
    30,689,412.30x = 42,348,373.83 × 16,937,488.26
  4. Step 4: Simplify right side
    30,689,412.30x = 717,275,084,575,716.25
  5. Step 5: Solve for x
    x = 717,275,084,575,716.25/30,689,412.30
  6. Step 6: Final answer
    x = 23,372,069.74

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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.