Home / 14,390,405.65-19,858,811.66-7,864,036.18

Finding the Fourth Proportional to 14,390,405.65, 19,858,811.66 and 7,864,036.18

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Solution

The fourth proportional to 14,390,405.65, 19,858,811.66 and 7,864,036.18 is: 10,852,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390,405.65 : 19,858,811.66 = 7,864,036.18 : x
  2. Step 2: Convert to fraction form
    14,390,405.65/19,858,811.66 = 7,864,036.18/x
  3. Step 3: Cross multiply
    14,390,405.65x = 19,858,811.66 × 7,864,036.18
  4. Step 4: Simplify right side
    14,390,405.65x = 156,170,413,386,045.84
  5. Step 5: Solve for x
    x = 156,170,413,386,045.84/14,390,405.65
  6. Step 6: Final answer
    x = 10,852,398.27

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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.