Home / 15,528,881.40-23,275,826.10-7,445,729.40

Finding the Fourth Proportional to 15,528,881.40, 23,275,826.10 and 7,445,729.40

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Solution

The fourth proportional to 15,528,881.40, 23,275,826.10 and 7,445,729.40 is: 11,160,205.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,528,881.40 : 23,275,826.10 = 7,445,729.40 : x
  2. Step 2: Convert to fraction form
    15,528,881.40/23,275,826.10 = 7,445,729.40/x
  3. Step 3: Cross multiply
    15,528,881.40x = 23,275,826.10 × 7,445,729.40
  4. Step 4: Simplify right side
    15,528,881.40x = 173,305,502,702,057.38
  5. Step 5: Solve for x
    x = 173,305,502,702,057.38/15,528,881.40
  6. Step 6: Final answer
    x = 11,160,205.18

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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.