Home / 26,209,931.70-39,314,897.55-13,455,347.70

Finding the Fourth Proportional to 26,209,931.70, 39,314,897.55 and 13,455,347.70

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Solution

The fourth proportional to 26,209,931.70, 39,314,897.55 and 13,455,347.70 is: 20,183,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209,931.70 : 39,314,897.55 = 13,455,347.70 : x
  2. Step 2: Convert to fraction form
    26,209,931.70/39,314,897.55 = 13,455,347.70/x
  3. Step 3: Cross multiply
    26,209,931.70x = 39,314,897.55 × 13,455,347.70
  4. Step 4: Simplify right side
    26,209,931.70x = 528,995,616,325,128.06
  5. Step 5: Solve for x
    x = 528,995,616,325,128.06/26,209,931.70
  6. Step 6: Final answer
    x = 20,183,021.55

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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.