Home / 25,688,401.60-38,539,027.20-18,130,129.60

Finding the Fourth Proportional to 25,688,401.60, 38,539,027.20 and 18,130,129.60

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Solution

The fourth proportional to 25,688,401.60, 38,539,027.20 and 18,130,129.60 is: 27,199,728.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,688,401.60 : 38,539,027.20 = 18,130,129.60 : x
  2. Step 2: Convert to fraction form
    25,688,401.60/38,539,027.20 = 18,130,129.60/x
  3. Step 3: Cross multiply
    25,688,401.60x = 38,539,027.20 × 18,130,129.60
  4. Step 4: Simplify right side
    25,688,401.60x = 698,717,557,793,925.25
  5. Step 5: Solve for x
    x = 698,717,557,793,925.25/25,688,401.60
  6. Step 6: Final answer
    x = 27,199,728.84

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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.