Home / 10,667,653.12-14,721,360.80-5,772,875.36

Finding the Fourth Proportional to 10,667,653.12, 14,721,360.80 and 5,772,875.36

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Solution

The fourth proportional to 10,667,653.12, 14,721,360.80 and 5,772,875.36 is: 7,966,567.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667,653.12 : 14,721,360.80 = 5,772,875.36 : x
  2. Step 2: Convert to fraction form
    10,667,653.12/14,721,360.80 = 5,772,875.36/x
  3. Step 3: Cross multiply
    10,667,653.12x = 14,721,360.80 × 5,772,875.36
  4. Step 4: Simplify right side
    10,667,653.12x = 84,984,581,027,989.89
  5. Step 5: Solve for x
    x = 84,984,581,027,989.89/10,667,653.12
  6. Step 6: Final answer
    x = 7,966,567.72

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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.