Home / 30,750,973.79-42,437,229.48-17,000,823.65

Finding the Fourth Proportional to 30,750,973.79, 42,437,229.48 and 17,000,823.65

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Solution

The fourth proportional to 30,750,973.79, 42,437,229.48 and 17,000,823.65 is: 23,461,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,750,973.79 : 42,437,229.48 = 17,000,823.65 : x
  2. Step 2: Convert to fraction form
    30,750,973.79/42,437,229.48 = 17,000,823.65/x
  3. Step 3: Cross multiply
    30,750,973.79x = 42,437,229.48 × 17,000,823.65
  4. Step 4: Simplify right side
    30,750,973.79x = 721,467,854,371,875
  5. Step 5: Solve for x
    x = 721,467,854,371,875/30,750,973.79
  6. Step 6: Final answer
    x = 23,461,626.27

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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.