Home / 10,660,308.40-15,977,340.60-7,248,588.40

Finding the Fourth Proportional to 10,660,308.40, 15,977,340.60 and 7,248,588.40

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Solution

The fourth proportional to 10,660,308.40, 15,977,340.60 and 7,248,588.40 is: 10,863,960.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660,308.40 : 15,977,340.60 = 7,248,588.40 : x
  2. Step 2: Convert to fraction form
    10,660,308.40/15,977,340.60 = 7,248,588.40/x
  3. Step 3: Cross multiply
    10,660,308.40x = 15,977,340.60 × 7,248,588.40
  4. Step 4: Simplify right side
    10,660,308.40x = 115,813,165,736,009.05
  5. Step 5: Solve for x
    x = 115,813,165,736,009.05/10,660,308.40
  6. Step 6: Final answer
    x = 10,863,960.16

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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.