Home / 51,528,026.16-77,291,988.48-13,189,479.12

Finding the Fourth Proportional to 51,528,026.16, 77,291,988.48 and 13,189,479.12

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Solution

The fourth proportional to 51,528,026.16, 77,291,988.48 and 13,189,479.12 is: 19,784,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,528,026.16 : 77,291,988.48 = 13,189,479.12 : x
  2. Step 2: Convert to fraction form
    51,528,026.16/77,291,988.48 = 13,189,479.12/x
  3. Step 3: Cross multiply
    51,528,026.16x = 77,291,988.48 × 13,189,479.12
  4. Step 4: Simplify right side
    51,528,026.16x = 1,019,441,068,200,240.50
  5. Step 5: Solve for x
    x = 1,019,441,068,200,240.50/51,528,026.16
  6. Step 6: Final answer
    x = 19,784,205.69

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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.