Home / 22,020,580.50-30,390,783.57-13,323,547.86

Finding the Fourth Proportional to 22,020,580.50, 30,390,783.57 and 13,323,547.86

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Solution

The fourth proportional to 22,020,580.50, 30,390,783.57 and 13,323,547.86 is: 18,387,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020,580.50 : 30,390,783.57 = 13,323,547.86 : x
  2. Step 2: Convert to fraction form
    22,020,580.50/30,390,783.57 = 13,323,547.86/x
  3. Step 3: Cross multiply
    22,020,580.50x = 30,390,783.57 × 13,323,547.86
  4. Step 4: Simplify right side
    22,020,580.50x = 404,913,059,397,796.62
  5. Step 5: Solve for x
    x = 404,913,059,397,796.62/22,020,580.50
  6. Step 6: Final answer
    x = 18,387,937.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.