Home / 10,726,667.40-16,090,778.70-6,457,643.40

Finding the Fourth Proportional to 10,726,667.40, 16,090,778.70 and 6,457,643.40

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Solution

The fourth proportional to 10,726,667.40, 16,090,778.70 and 6,457,643.40 is: 9,686,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,726,667.40 : 16,090,778.70 = 6,457,643.40 : x
  2. Step 2: Convert to fraction form
    10,726,667.40/16,090,778.70 = 6,457,643.40/x
  3. Step 3: Cross multiply
    10,726,667.40x = 16,090,778.70 × 6,457,643.40
  4. Step 4: Simplify right side
    10,726,667.40x = 103,908,510,872,915.58
  5. Step 5: Solve for x
    x = 103,908,510,872,915.58/10,726,667.40
  6. Step 6: Final answer
    x = 9,686,933.23

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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.