Home / 30,872,316.17-42,653,838.40-26,274,687.22

Finding the Fourth Proportional to 30,872,316.17, 42,653,838.40 and 26,274,687.22

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Solution

The fourth proportional to 30,872,316.17, 42,653,838.40 and 26,274,687.22 is: 36,301,657.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,872,316.17 : 42,653,838.40 = 26,274,687.22 : x
  2. Step 2: Convert to fraction form
    30,872,316.17/42,653,838.40 = 26,274,687.22/x
  3. Step 3: Cross multiply
    30,872,316.17x = 42,653,838.40 × 26,274,687.22
  4. Step 4: Simplify right side
    30,872,316.17x = 1,120,716,262,680,055.88
  5. Step 5: Solve for x
    x = 1,120,716,262,680,055.88/30,872,316.17
  6. Step 6: Final answer
    x = 36,301,657.98

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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.