Home / 7,886,465.40-11,829,698.10-3,398,741.40

Finding the Fourth Proportional to 7,886,465.40, 11,829,698.10 and 3,398,741.40

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Solution

The fourth proportional to 7,886,465.40, 11,829,698.10 and 3,398,741.40 is: 5,098,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886,465.40 : 11,829,698.10 = 3,398,741.40 : x
  2. Step 2: Convert to fraction form
    7,886,465.40/11,829,698.10 = 3,398,741.40/x
  3. Step 3: Cross multiply
    7,886,465.40x = 11,829,698.10 × 3,398,741.40
  4. Step 4: Simplify right side
    7,886,465.40x = 40,206,084,681,971.34
  5. Step 5: Solve for x
    x = 40,206,084,681,971.34/7,886,465.40
  6. Step 6: Final answer
    x = 5,098,112.10

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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.