Home / 30,112,143.37-45,142,823.18-13,059,972.61

Finding the Fourth Proportional to 30,112,143.37, 45,142,823.18 and 13,059,972.61

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Solution

The fourth proportional to 30,112,143.37, 45,142,823.18 and 13,059,972.61 is: 19,578,946.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112,143.37 : 45,142,823.18 = 13,059,972.61 : x
  2. Step 2: Convert to fraction form
    30,112,143.37/45,142,823.18 = 13,059,972.61/x
  3. Step 3: Cross multiply
    30,112,143.37x = 45,142,823.18 × 13,059,972.61
  4. Step 4: Simplify right side
    30,112,143.37x = 589,564,034,203,573.12
  5. Step 5: Solve for x
    x = 589,564,034,203,573.12/30,112,143.37
  6. Step 6: Final answer
    x = 19,578,946.17

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1.5x scale

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.