Home / 18,281,306.34-25,227,842.04-10,021,386.42

Finding the Fourth Proportional to 18,281,306.34, 25,227,842.04 and 10,021,386.42

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Solution

The fourth proportional to 18,281,306.34, 25,227,842.04 and 10,021,386.42 is: 13,829,315.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281,306.34 : 25,227,842.04 = 10,021,386.42 : x
  2. Step 2: Convert to fraction form
    18,281,306.34/25,227,842.04 = 10,021,386.42/x
  3. Step 3: Cross multiply
    18,281,306.34x = 25,227,842.04 × 10,021,386.42
  4. Step 4: Simplify right side
    18,281,306.34x = 252,817,953,625,561.09
  5. Step 5: Solve for x
    x = 252,817,953,625,561.09/18,281,306.34
  6. Step 6: Final answer
    x = 13,829,315.53

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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.