Home / 12,008,326.53-16,570,423.09-7,112,758.47

Finding the Fourth Proportional to 12,008,326.53, 16,570,423.09 and 7,112,758.47

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Solution

The fourth proportional to 12,008,326.53, 16,570,423.09 and 7,112,758.47 is: 9,814,974.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008,326.53 : 16,570,423.09 = 7,112,758.47 : x
  2. Step 2: Convert to fraction form
    12,008,326.53/16,570,423.09 = 7,112,758.47/x
  3. Step 3: Cross multiply
    12,008,326.53x = 16,570,423.09 × 7,112,758.47
  4. Step 4: Simplify right side
    12,008,326.53x = 117,861,417,184,881.06
  5. Step 5: Solve for x
    x = 117,861,417,184,881.06/12,008,326.53
  6. Step 6: Final answer
    x = 9,814,974.38

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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.