Home / 22,020,580.13-30,390,783.05-13,323,547.49

Finding the Fourth Proportional to 22,020,580.13, 30,390,783.05 and 13,323,547.49

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Solution

The fourth proportional to 22,020,580.13, 30,390,783.05 and 13,323,547.49 is: 18,387,937.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,020,580.13 : 30,390,783.05 = 13,323,547.49 : x
  2. Step 2: Convert to fraction form
    22,020,580.13/30,390,783.05 = 13,323,547.49/x
  3. Step 3: Cross multiply
    22,020,580.13x = 30,390,783.05 × 13,323,547.49
  4. Step 4: Simplify right side
    22,020,580.13x = 404,913,041,106,316.94
  5. Step 5: Solve for x
    x = 404,913,041,106,316.94/22,020,580.13
  6. Step 6: Final answer
    x = 18,387,937.05

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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.