Home / 8,457,423.84-11,671,332.12-4,589,978.40

Finding the Fourth Proportional to 8,457,423.84, 11,671,332.12 and 4,589,978.40

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Solution

The fourth proportional to 8,457,423.84, 11,671,332.12 and 4,589,978.40 is: 6,334,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457,423.84 : 11,671,332.12 = 4,589,978.40 : x
  2. Step 2: Convert to fraction form
    8,457,423.84/11,671,332.12 = 4,589,978.40/x
  3. Step 3: Cross multiply
    8,457,423.84x = 11,671,332.12 × 4,589,978.40
  4. Step 4: Simplify right side
    8,457,423.84x = 53,571,162,330,026.21
  5. Step 5: Solve for x
    x = 53,571,162,330,026.21/8,457,423.84
  6. Step 6: Final answer
    x = 6,334,217.53

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1.5x scale

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.