Home / 10,602,007.70-15,903,011.55-7,242,775.70

Finding the Fourth Proportional to 10,602,007.70, 15,903,011.55 and 7,242,775.70

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Solution

The fourth proportional to 10,602,007.70, 15,903,011.55 and 7,242,775.70 is: 10,864,163.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,602,007.70 : 15,903,011.55 = 7,242,775.70 : x
  2. Step 2: Convert to fraction form
    10,602,007.70/15,903,011.55 = 7,242,775.70/x
  3. Step 3: Cross multiply
    10,602,007.70x = 15,903,011.55 × 7,242,775.70
  4. Step 4: Simplify right side
    10,602,007.70x = 115,181,945,611,159.34
  5. Step 5: Solve for x
    x = 115,181,945,611,159.34/10,602,007.70
  6. Step 6: Final answer
    x = 10,864,163.55

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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.