Home / 14,011,386.65-19,333,318.96-8,129,672.47

Finding the Fourth Proportional to 14,011,386.65, 19,333,318.96 and 8,129,672.47

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Solution

The fourth proportional to 14,011,386.65, 19,333,318.96 and 8,129,672.47 is: 11,217,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,011,386.65 : 19,333,318.96 = 8,129,672.47 : x
  2. Step 2: Convert to fraction form
    14,011,386.65/19,333,318.96 = 8,129,672.47/x
  3. Step 3: Cross multiply
    14,011,386.65x = 19,333,318.96 × 8,129,672.47
  4. Step 4: Simplify right side
    14,011,386.65x = 157,173,550,828,419.84
  5. Step 5: Solve for x
    x = 157,173,550,828,419.84/14,011,386.65
  6. Step 6: Final answer
    x = 11,217,558.60

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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.