Home / 11,898,325-16,421,088.18-7,069,429

Finding the Fourth Proportional to 11,898,325, 16,421,088.18 and 7,069,429

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Solution

The fourth proportional to 11,898,325, 16,421,088.18 and 7,069,429 is: 9,756,643.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898,325 : 16,421,088.18 = 7,069,429 : x
  2. Step 2: Convert to fraction form
    11,898,325/16,421,088.18 = 7,069,429/x
  3. Step 3: Cross multiply
    11,898,325x = 16,421,088.18 × 7,069,429
  4. Step 4: Simplify right side
    11,898,325x = 116,087,716,991,249.22
  5. Step 5: Solve for x
    x = 116,087,716,991,249.22/11,898,325
  6. Step 6: Final answer
    x = 9,756,643.64

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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.