Home / 14,981,670.84-20,674,802.40-8,785,456.68

Finding the Fourth Proportional to 14,981,670.84, 20,674,802.40 and 8,785,456.68

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Solution

The fourth proportional to 14,981,670.84, 20,674,802.40 and 8,785,456.68 is: 12,123,986.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981,670.84 : 20,674,802.40 = 8,785,456.68 : x
  2. Step 2: Convert to fraction form
    14,981,670.84/20,674,802.40 = 8,785,456.68/x
  3. Step 3: Cross multiply
    14,981,670.84x = 20,674,802.40 × 8,785,456.68
  4. Step 4: Simplify right side
    14,981,670.84x = 181,637,580,852,760
  5. Step 5: Solve for x
    x = 181,637,580,852,760/14,981,670.84
  6. Step 6: Final answer
    x = 12,123,986.89

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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.