Home / 12,602,281.70-18,903,422.55-10,502,761.70

Finding the Fourth Proportional to 12,602,281.70, 18,903,422.55 and 10,502,761.70

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Solution

The fourth proportional to 12,602,281.70, 18,903,422.55 and 10,502,761.70 is: 15,754,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,602,281.70 : 18,903,422.55 = 10,502,761.70 : x
  2. Step 2: Convert to fraction form
    12,602,281.70/18,903,422.55 = 10,502,761.70/x
  3. Step 3: Cross multiply
    12,602,281.70x = 18,903,422.55 × 10,502,761.70
  4. Step 4: Simplify right side
    12,602,281.70x = 198,538,142,357,056.34
  5. Step 5: Solve for x
    x = 198,538,142,357,056.34/12,602,281.70
  6. Step 6: Final answer
    x = 15,754,142.55

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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.