Home / 8,301,438.40-12,457,406.40-4,889,718.40

Finding the Fourth Proportional to 8,301,438.40, 12,457,406.40 and 4,889,718.40

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Solution

The fourth proportional to 8,301,438.40, 12,457,406.40 and 4,889,718.40 is: 7,337,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,301,438.40 : 12,457,406.40 = 4,889,718.40 : x
  2. Step 2: Convert to fraction form
    8,301,438.40/12,457,406.40 = 4,889,718.40/x
  3. Step 3: Cross multiply
    8,301,438.40x = 12,457,406.40 × 4,889,718.40
  4. Step 4: Simplify right side
    8,301,438.40x = 60,913,209,290,357.77
  5. Step 5: Solve for x
    x = 60,913,209,290,357.77/8,301,438.40
  6. Step 6: Final answer
    x = 7,337,669.25

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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.