Home / 30,466,446.65-42,032,663.48-20,018,086.95

Finding the Fourth Proportional to 30,466,446.65, 42,032,663.48 and 20,018,086.95

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Solution

The fourth proportional to 30,466,446.65, 42,032,663.48 and 20,018,086.95 is: 27,617,710.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,466,446.65 : 42,032,663.48 = 20,018,086.95 : x
  2. Step 2: Convert to fraction form
    30,466,446.65/42,032,663.48 = 20,018,086.95/x
  3. Step 3: Cross multiply
    30,466,446.65x = 42,032,663.48 × 20,018,086.95
  4. Step 4: Simplify right side
    30,466,446.65x = 841,413,512,434,086.38
  5. Step 5: Solve for x
    x = 841,413,512,434,086.38/30,466,446.65
  6. Step 6: Final answer
    x = 27,617,710.79

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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.