Home / 8,885,390.40-13,328,085.60-5,059,015.20

Finding the Fourth Proportional to 8,885,390.40, 13,328,085.60 and 5,059,015.20

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Solution

The fourth proportional to 8,885,390.40, 13,328,085.60 and 5,059,015.20 is: 7,588,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885,390.40 : 13,328,085.60 = 5,059,015.20 : x
  2. Step 2: Convert to fraction form
    8,885,390.40/13,328,085.60 = 5,059,015.20/x
  3. Step 3: Cross multiply
    8,885,390.40x = 13,328,085.60 × 5,059,015.20
  4. Step 4: Simplify right side
    8,885,390.40x = 67,426,987,637,301.12
  5. Step 5: Solve for x
    x = 67,426,987,637,301.12/8,885,390.40
  6. Step 6: Final answer
    x = 7,588,522.80

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1.5x scale

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.