Home / 15,780,681.40-23,664,023.70-7,263,628.60

Finding the Fourth Proportional to 15,780,681.40, 23,664,023.70 and 7,263,628.60

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Solution

The fourth proportional to 15,780,681.40, 23,664,023.70 and 7,263,628.60 is: 10,892,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,780,681.40 : 23,664,023.70 = 7,263,628.60 : x
  2. Step 2: Convert to fraction form
    15,780,681.40/23,664,023.70 = 7,263,628.60/x
  3. Step 3: Cross multiply
    15,780,681.40x = 23,664,023.70 × 7,263,628.60
  4. Step 4: Simplify right side
    15,780,681.40x = 171,886,679,338,397.81
  5. Step 5: Solve for x
    x = 171,886,679,338,397.81/15,780,681.40
  6. Step 6: Final answer
    x = 10,892,221.63

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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.