Home / 7,028,630.54-9,699,532.86-3,931,207

Finding the Fourth Proportional to 7,028,630.54, 9,699,532.86 and 3,931,207

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Solution

The fourth proportional to 7,028,630.54, 9,699,532.86 and 3,931,207 is: 5,425,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028,630.54 : 9,699,532.86 = 3,931,207 : x
  2. Step 2: Convert to fraction form
    7,028,630.54/9,699,532.86 = 3,931,207/x
  3. Step 3: Cross multiply
    7,028,630.54x = 9,699,532.86 × 3,931,207
  4. Step 4: Simplify right side
    7,028,630.54x = 38,130,871,475,962.02
  5. Step 5: Solve for x
    x = 38,130,871,475,962.02/7,028,630.54
  6. Step 6: Final answer
    x = 5,425,078.36

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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.