Home / 21,849,350.94-30,147,603.30-12,555,125.38

Finding the Fourth Proportional to 21,849,350.94, 30,147,603.30 and 12,555,125.38

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Solution

The fourth proportional to 21,849,350.94, 30,147,603.30 and 12,555,125.38 is: 17,323,486.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,350.94 : 30,147,603.30 = 12,555,125.38 : x
  2. Step 2: Convert to fraction form
    21,849,350.94/30,147,603.30 = 12,555,125.38/x
  3. Step 3: Cross multiply
    21,849,350.94x = 30,147,603.30 × 12,555,125.38
  4. Step 4: Simplify right side
    21,849,350.94x = 378,506,939,338,001.81
  5. Step 5: Solve for x
    x = 378,506,939,338,001.81/21,849,350.94
  6. Step 6: Final answer
    x = 17,323,486.65

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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.