Home / 12,318,574.93-16,999,743.44-6,812,320.39

Finding the Fourth Proportional to 12,318,574.93, 16,999,743.44 and 6,812,320.39

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Solution

The fourth proportional to 12,318,574.93, 16,999,743.44 and 6,812,320.39 is: 9,401,062.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,318,574.93 : 16,999,743.44 = 6,812,320.39 : x
  2. Step 2: Convert to fraction form
    12,318,574.93/16,999,743.44 = 6,812,320.39/x
  3. Step 3: Cross multiply
    12,318,574.93x = 16,999,743.44 × 6,812,320.39
  4. Step 4: Simplify right side
    12,318,574.93x = 115,807,698,835,612.19
  5. Step 5: Solve for x
    x = 115,807,698,835,612.19/12,318,574.93
  6. Step 6: Final answer
    x = 9,401,062.99

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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.