Home / 30,506,848.74-42,102,047.61-17,278,378.83

Finding the Fourth Proportional to 30,506,848.74, 42,102,047.61 and 17,278,378.83

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Solution

The fourth proportional to 30,506,848.74, 42,102,047.61 and 17,278,378.83 is: 23,845,633.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,506,848.74 : 42,102,047.61 = 17,278,378.83 : x
  2. Step 2: Convert to fraction form
    30,506,848.74/42,102,047.61 = 17,278,378.83/x
  3. Step 3: Cross multiply
    30,506,848.74x = 42,102,047.61 × 17,278,378.83
  4. Step 4: Simplify right side
    30,506,848.74x = 727,455,128,124,276
  5. Step 5: Solve for x
    x = 727,455,128,124,276/30,506,848.74
  6. Step 6: Final answer
    x = 23,845,633.30

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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.