Home / 9,708,364.80-14,571,878.40-4,921,459.20

Finding the Fourth Proportional to 9,708,364.80, 14,571,878.40 and 4,921,459.20

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Solution

The fourth proportional to 9,708,364.80, 14,571,878.40 and 4,921,459.20 is: 7,386,919.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,708,364.80 : 14,571,878.40 = 4,921,459.20 : x
  2. Step 2: Convert to fraction form
    9,708,364.80/14,571,878.40 = 4,921,459.20/x
  3. Step 3: Cross multiply
    9,708,364.80x = 14,571,878.40 × 4,921,459.20
  4. Step 4: Simplify right side
    9,708,364.80x = 71,714,905,012,961.28
  5. Step 5: Solve for x
    x = 71,714,905,012,961.28/9,708,364.80
  6. Step 6: Final answer
    x = 7,386,919.06

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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.