Home / 38,671,527.15-53,365,642.51-21,267,878.69

Finding the Fourth Proportional to 38,671,527.15, 53,365,642.51 and 21,267,878.69

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Solution

The fourth proportional to 38,671,527.15, 53,365,642.51 and 21,267,878.69 is: 29,349,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671,527.15 : 53,365,642.51 = 21,267,878.69 : x
  2. Step 2: Convert to fraction form
    38,671,527.15/53,365,642.51 = 21,267,878.69/x
  3. Step 3: Cross multiply
    38,671,527.15x = 53,365,642.51 × 21,267,878.69
  4. Step 4: Simplify right side
    38,671,527.15x = 1,134,974,011,116,587.25
  5. Step 5: Solve for x
    x = 1,134,974,011,116,587.25/38,671,527.15
  6. Step 6: Final answer
    x = 29,349,086.91

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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.