Home / 25,640,918.40-38,461,377.60-7,445,078.40

Finding the Fourth Proportional to 25,640,918.40, 38,461,377.60 and 7,445,078.40

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Solution

The fourth proportional to 25,640,918.40, 38,461,377.60 and 7,445,078.40 is: 11,167,617.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,640,918.40 : 38,461,377.60 = 7,445,078.40 : x
  2. Step 2: Convert to fraction form
    25,640,918.40/38,461,377.60 = 7,445,078.40/x
  3. Step 3: Cross multiply
    25,640,918.40x = 38,461,377.60 × 7,445,078.40
  4. Step 4: Simplify right side
    25,640,918.40x = 286,347,971,604,003.88
  5. Step 5: Solve for x
    x = 286,347,971,604,003.88/25,640,918.40
  6. Step 6: Final answer
    x = 11,167,617.60

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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.