Home / 30,986,487.36-42,772,864.14-26,618,042.34

Finding the Fourth Proportional to 30,986,487.36, 42,772,864.14 and 26,618,042.34

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Solution

The fourth proportional to 30,986,487.36, 42,772,864.14 and 26,618,042.34 is: 36,742,787.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,986,487.36 : 42,772,864.14 = 26,618,042.34 : x
  2. Step 2: Convert to fraction form
    30,986,487.36/42,772,864.14 = 26,618,042.34/x
  3. Step 3: Cross multiply
    30,986,487.36x = 42,772,864.14 × 26,618,042.34
  4. Step 4: Simplify right side
    30,986,487.36x = 1,138,529,908,681,587.75
  5. Step 5: Solve for x
    x = 1,138,529,908,681,587.75/30,986,487.36
  6. Step 6: Final answer
    x = 36,742,787.12

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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.