Home / 30,741,290.10-42,395,521.70-25,506,009.81

Finding the Fourth Proportional to 30,741,290.10, 42,395,521.70 and 25,506,009.81

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Solution

The fourth proportional to 30,741,290.10, 42,395,521.70 and 25,506,009.81 is: 35,175,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741,290.10 : 42,395,521.70 = 25,506,009.81 : x
  2. Step 2: Convert to fraction form
    30,741,290.10/42,395,521.70 = 25,506,009.81/x
  3. Step 3: Cross multiply
    30,741,290.10x = 42,395,521.70 × 25,506,009.81
  4. Step 4: Simplify right side
    30,741,290.10x = 1,081,340,592,444,032.88
  5. Step 5: Solve for x
    x = 1,081,340,592,444,032.88/30,741,290.10
  6. Step 6: Final answer
    x = 35,175,511.14

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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.