Home / 15,018,125.65-21,073,205.60-15,018,125.65

Finding the Fourth Proportional to 15,018,125.65, 21,073,205.60 and 15,018,125.65

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Solution

The fourth proportional to 15,018,125.65, 21,073,205.60 and 15,018,125.65 is: 21,073,205.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,018,125.65 : 21,073,205.60 = 15,018,125.65 : x
  2. Step 2: Convert to fraction form
    15,018,125.65/21,073,205.60 = 15,018,125.65/x
  3. Step 3: Cross multiply
    15,018,125.65x = 21,073,205.60 × 15,018,125.65
  4. Step 4: Simplify right side
    15,018,125.65x = 316,480,049,549,083.69
  5. Step 5: Solve for x
    x = 316,480,049,549,083.69/15,018,125.65
  6. Step 6: Final answer
    x = 21,073,205.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.