Home / 15,612,928,680.60-21,525,031,841.76-12,408,538,740.84

Finding the Fourth Proportional to 15,612,928,680.60, 21,525,031,841.76 and 12,408,538,740.84

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Solution

The fourth proportional to 15,612,928,680.60, 21,525,031,841.76 and 12,408,538,740.84 is: 17,107,244,705.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612,928,680.60 : 21,525,031,841.76 = 12,408,538,740.84 : x
  2. Step 2: Convert to fraction form
    15,612,928,680.60/21,525,031,841.76 = 12,408,538,740.84/x
  3. Step 3: Cross multiply
    15,612,928,680.60x = 21,525,031,841.76 × 12,408,538,740.84
  4. Step 4: Simplify right side
    15,612,928,680.60x = 267,094,191,506,293,522,432
  5. Step 5: Solve for x
    x = 267,094,191,506,293,522,432/15,612,928,680.60
  6. Step 6: Final answer
    x = 17,107,244,705.36

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.