Home / 8,750,580.40-13,125,870.60-7,687,698.40

Finding the Fourth Proportional to 8,750,580.40, 13,125,870.60 and 7,687,698.40

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Solution

The fourth proportional to 8,750,580.40, 13,125,870.60 and 7,687,698.40 is: 11,531,547.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750,580.40 : 13,125,870.60 = 7,687,698.40 : x
  2. Step 2: Convert to fraction form
    8,750,580.40/13,125,870.60 = 7,687,698.40/x
  3. Step 3: Cross multiply
    8,750,580.40x = 13,125,870.60 × 7,687,698.40
  4. Step 4: Simplify right side
    8,750,580.40x = 100,907,734,410,227.05
  5. Step 5: Solve for x
    x = 100,907,734,410,227.05/8,750,580.40
  6. Step 6: Final answer
    x = 11,531,547.60

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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.