Home / 19,008,117.60-28,512,176.40-8,930,421.60

Finding the Fourth Proportional to 19,008,117.60, 28,512,176.40 and 8,930,421.60

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Solution

The fourth proportional to 19,008,117.60, 28,512,176.40 and 8,930,421.60 is: 13,395,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,117.60 : 28,512,176.40 = 8,930,421.60 : x
  2. Step 2: Convert to fraction form
    19,008,117.60/28,512,176.40 = 8,930,421.60/x
  3. Step 3: Cross multiply
    19,008,117.60x = 28,512,176.40 × 8,930,421.60
  4. Step 4: Simplify right side
    19,008,117.60x = 254,625,755,985,570.22
  5. Step 5: Solve for x
    x = 254,625,755,985,570.22/19,008,117.60
  6. Step 6: Final answer
    x = 13,395,632.40

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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.