Home / 28,510,889.74-42,770,602.40-10,319,341.20

Finding the Fourth Proportional to 28,510,889.74, 42,770,602.40 and 10,319,341.20

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Solution

The fourth proportional to 28,510,889.74, 42,770,602.40 and 10,319,341.20 is: 15,480,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,510,889.74 : 42,770,602.40 = 10,319,341.20 : x
  2. Step 2: Convert to fraction form
    28,510,889.74/42,770,602.40 = 10,319,341.20/x
  3. Step 3: Cross multiply
    28,510,889.74x = 42,770,602.40 × 10,319,341.20
  4. Step 4: Simplify right side
    28,510,889.74x = 441,364,439,495,138.81
  5. Step 5: Solve for x
    x = 441,364,439,495,138.81/28,510,889.74
  6. Step 6: Final answer
    x = 15,480,556.50

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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.