Home / 28,065,564-42,098,347.80-6,790,428

Finding the Fourth Proportional to 28,065,564, 42,098,347.80 and 6,790,428

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Solution

The fourth proportional to 28,065,564, 42,098,347.80 and 6,790,428 is: 10,185,642.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,065,564 : 42,098,347.80 = 6,790,428 : x
  2. Step 2: Convert to fraction form
    28,065,564/42,098,347.80 = 6,790,428/x
  3. Step 3: Cross multiply
    28,065,564x = 42,098,347.80 × 6,790,428
  4. Step 4: Simplify right side
    28,065,564x = 285,865,799,654,858.38
  5. Step 5: Solve for x
    x = 285,865,799,654,858.38/28,065,564
  6. Step 6: Final answer
    x = 10,185,642.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.