Home / 30,622,095.40-45,933,143.10-13,615,983.40

Finding the Fourth Proportional to 30,622,095.40, 45,933,143.10 and 13,615,983.40

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Solution

The fourth proportional to 30,622,095.40, 45,933,143.10 and 13,615,983.40 is: 20,423,975.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622,095.40 : 45,933,143.10 = 13,615,983.40 : x
  2. Step 2: Convert to fraction form
    30,622,095.40/45,933,143.10 = 13,615,983.40/x
  3. Step 3: Cross multiply
    30,622,095.40x = 45,933,143.10 × 13,615,983.40
  4. Step 4: Simplify right side
    30,622,095.40x = 625,424,913,959,424.62
  5. Step 5: Solve for x
    x = 625,424,913,959,424.62/30,622,095.40
  6. Step 6: Final answer
    x = 20,423,975.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.