Home / 14,390,456.51-19,858,882.05-7,864,186.07

Finding the Fourth Proportional to 14,390,456.51, 19,858,882.05 and 7,864,186.07

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Solution

The fourth proportional to 14,390,456.51, 19,858,882.05 and 7,864,186.07 is: 10,852,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390,456.51 : 19,858,882.05 = 7,864,186.07 : x
  2. Step 2: Convert to fraction form
    14,390,456.51/19,858,882.05 = 7,864,186.07/x
  3. Step 3: Cross multiply
    14,390,456.51x = 19,858,882.05 × 7,864,186.07
  4. Step 4: Simplify right side
    14,390,456.51x = 156,173,943,484,088.66
  5. Step 5: Solve for x
    x = 156,173,943,484,088.66/14,390,456.51
  6. Step 6: Final answer
    x = 10,852,605.23

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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.