Home / 30,362,557.80-45,564,831.90-21,849,004.20

Finding the Fourth Proportional to 30,362,557.80, 45,564,831.90 and 21,849,004.20

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Solution

The fourth proportional to 30,362,557.80, 45,564,831.90 and 21,849,004.20 is: 32,788,614.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362,557.80 : 45,564,831.90 = 21,849,004.20 : x
  2. Step 2: Convert to fraction form
    30,362,557.80/45,564,831.90 = 21,849,004.20/x
  3. Step 3: Cross multiply
    30,362,557.80x = 45,564,831.90 × 21,849,004.20
  4. Step 4: Simplify right side
    30,362,557.80x = 995,546,203,555,393.88
  5. Step 5: Solve for x
    x = 995,546,203,555,393.88/30,362,557.80
  6. Step 6: Final answer
    x = 32,788,614.52

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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.