Home / 14,008,999.70-21,006,501.15-6,427,399.70

Finding the Fourth Proportional to 14,008,999.70, 21,006,501.15 and 6,427,399.70

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Solution

The fourth proportional to 14,008,999.70, 21,006,501.15 and 6,427,399.70 is: 9,637,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008,999.70 : 21,006,501.15 = 6,427,399.70 : x
  2. Step 2: Convert to fraction form
    14,008,999.70/21,006,501.15 = 6,427,399.70/x
  3. Step 3: Cross multiply
    14,008,999.70x = 21,006,501.15 × 6,427,399.70
  4. Step 4: Simplify right side
    14,008,999.70x = 135,017,179,189,559.66
  5. Step 5: Solve for x
    x = 135,017,179,189,559.66/14,008,999.70
  6. Step 6: Final answer
    x = 9,637,888.65

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1.5x scale

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.