Home / 20,365,065.90-30,547,598.85-11,755,721.70

Finding the Fourth Proportional to 20,365,065.90, 30,547,598.85 and 11,755,721.70

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Solution

The fourth proportional to 20,365,065.90, 30,547,598.85 and 11,755,721.70 is: 17,633,582.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,365,065.90 : 30,547,598.85 = 11,755,721.70 : x
  2. Step 2: Convert to fraction form
    20,365,065.90/30,547,598.85 = 11,755,721.70/x
  3. Step 3: Cross multiply
    20,365,065.90x = 30,547,598.85 × 11,755,721.70
  4. Step 4: Simplify right side
    20,365,065.90x = 359,109,070,683,840.06
  5. Step 5: Solve for x
    x = 359,109,070,683,840.06/20,365,065.90
  6. Step 6: Final answer
    x = 17,633,582.55

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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.