Home / 13,905,281.93-19,189,330.39-7,710,765.03

Finding the Fourth Proportional to 13,905,281.93, 19,189,330.39 and 7,710,765.03

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Solution

The fourth proportional to 13,905,281.93, 19,189,330.39 and 7,710,765.03 is: 10,640,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,281.93 : 19,189,330.39 = 7,710,765.03 : x
  2. Step 2: Convert to fraction form
    13,905,281.93/19,189,330.39 = 7,710,765.03/x
  3. Step 3: Cross multiply
    13,905,281.93x = 19,189,330.39 × 7,710,765.03
  4. Step 4: Simplify right side
    13,905,281.93x = 147,964,417,785,729.25
  5. Step 5: Solve for x
    x = 147,964,417,785,729.25/13,905,281.93
  6. Step 6: Final answer
    x = 10,640,878.67

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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.