Home / 30,315,959.70-45,474,328.35-10,121,201.70

Finding the Fourth Proportional to 30,315,959.70, 45,474,328.35 and 10,121,201.70

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Solution

The fourth proportional to 30,315,959.70, 45,474,328.35 and 10,121,201.70 is: 15,181,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315,959.70 : 45,474,328.35 = 10,121,201.70 : x
  2. Step 2: Convert to fraction form
    30,315,959.70/45,474,328.35 = 10,121,201.70/x
  3. Step 3: Cross multiply
    30,315,959.70x = 45,474,328.35 × 10,121,201.70
  4. Step 4: Simplify right side
    30,315,959.70x = 460,254,849,402,378.19
  5. Step 5: Solve for x
    x = 460,254,849,402,378.19/30,315,959.70
  6. Step 6: Final answer
    x = 15,181,932.35

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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.