Home / 11,898,324-16,421,086.80-7,069,428

Finding the Fourth Proportional to 11,898,324, 16,421,086.80 and 7,069,428

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Solution

The fourth proportional to 11,898,324, 16,421,086.80 and 7,069,428 is: 9,756,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898,324 : 16,421,086.80 = 7,069,428 : x
  2. Step 2: Convert to fraction form
    11,898,324/16,421,086.80 = 7,069,428/x
  3. Step 3: Cross multiply
    11,898,324x = 16,421,086.80 × 7,069,428
  4. Step 4: Simplify right side
    11,898,324x = 116,087,690,814,350.41
  5. Step 5: Solve for x
    x = 116,087,690,814,350.41/11,898,324
  6. Step 6: Final answer
    x = 9,756,642.26

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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.