Home / 20,810,207.06-28,716,140.04-12,435,915.02

Finding the Fourth Proportional to 20,810,207.06, 28,716,140.04 and 12,435,915.02

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Solution

The fourth proportional to 20,810,207.06, 28,716,140.04 and 12,435,915.02 is: 17,160,400.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,810,207.06 : 28,716,140.04 = 12,435,915.02 : x
  2. Step 2: Convert to fraction form
    20,810,207.06/28,716,140.04 = 12,435,915.02/x
  3. Step 3: Cross multiply
    20,810,207.06x = 28,716,140.04 × 12,435,915.02
  4. Step 4: Simplify right side
    20,810,207.06x = 357,111,477,239,859.38
  5. Step 5: Solve for x
    x = 357,111,477,239,859.38/20,810,207.06
  6. Step 6: Final answer
    x = 17,160,400.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.