Home / 15,251,056.65-21,038,675.81-9,738,635.67

Finding the Fourth Proportional to 15,251,056.65, 21,038,675.81 and 9,738,635.67

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Solution

The fourth proportional to 15,251,056.65, 21,038,675.81 and 9,738,635.67 is: 13,434,347.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,251,056.65 : 21,038,675.81 = 9,738,635.67 : x
  2. Step 2: Convert to fraction form
    15,251,056.65/21,038,675.81 = 9,738,635.67/x
  3. Step 3: Cross multiply
    15,251,056.65x = 21,038,675.81 × 9,738,635.67
  4. Step 4: Simplify right side
    15,251,056.65x = 204,887,998,726,303.84
  5. Step 5: Solve for x
    x = 204,887,998,726,303.84/15,251,056.65
  6. Step 6: Final answer
    x = 13,434,347.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.