Home / 12,459,320.10-18,692,479.35-6,069,780.90

Finding the Fourth Proportional to 12,459,320.10, 18,692,479.35 and 6,069,780.90

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Solution

The fourth proportional to 12,459,320.10, 18,692,479.35 and 6,069,780.90 is: 9,106,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459,320.10 : 18,692,479.35 = 6,069,780.90 : x
  2. Step 2: Convert to fraction form
    12,459,320.10/18,692,479.35 = 6,069,780.90/x
  3. Step 3: Cross multiply
    12,459,320.10x = 18,692,479.35 × 6,069,780.90
  4. Step 4: Simplify right side
    12,459,320.10x = 113,459,254,132,274.44
  5. Step 5: Solve for x
    x = 113,459,254,132,274.44/12,459,320.10
  6. Step 6: Final answer
    x = 9,106,376.05

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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.