Home / 14,357,619.61-19,813,576.70-7,831,389.17

Finding the Fourth Proportional to 14,357,619.61, 19,813,576.70 and 7,831,389.17

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Solution

The fourth proportional to 14,357,619.61, 19,813,576.70 and 7,831,389.17 is: 10,807,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357,619.61 : 19,813,576.70 = 7,831,389.17 : x
  2. Step 2: Convert to fraction form
    14,357,619.61/19,813,576.70 = 7,831,389.17/x
  3. Step 3: Cross multiply
    14,357,619.61x = 19,813,576.70 × 7,831,389.17
  4. Step 4: Simplify right side
    14,357,619.61x = 155,167,830,056,456.75
  5. Step 5: Solve for x
    x = 155,167,830,056,456.75/14,357,619.61
  6. Step 6: Final answer
    x = 10,807,350.68

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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.