Home / 26,480,588.78-36,559,515.95-20,996,117.66

Finding the Fourth Proportional to 26,480,588.78, 36,559,515.95 and 20,996,117.66

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Solution

The fourth proportional to 26,480,588.78, 36,559,515.95 and 20,996,117.66 is: 28,987,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,480,588.78 : 36,559,515.95 = 20,996,117.66 : x
  2. Step 2: Convert to fraction form
    26,480,588.78/36,559,515.95 = 20,996,117.66/x
  3. Step 3: Cross multiply
    26,480,588.78x = 36,559,515.95 × 20,996,117.66
  4. Step 4: Simplify right side
    26,480,588.78x = 767,607,898,544,000.25
  5. Step 5: Solve for x
    x = 767,607,898,544,000.25/26,480,588.78
  6. Step 6: Final answer
    x = 28,987,569.15

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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.