Home / 14,357,890.60-19,813,889.16-7,831,519.72

Finding the Fourth Proportional to 14,357,890.60, 19,813,889.16 and 7,831,519.72

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Solution

The fourth proportional to 14,357,890.60, 19,813,889.16 and 7,831,519.72 is: 10,807,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357,890.60 : 19,813,889.16 = 7,831,519.72 : x
  2. Step 2: Convert to fraction form
    14,357,890.60/19,813,889.16 = 7,831,519.72/x
  3. Step 3: Cross multiply
    14,357,890.60x = 19,813,889.16 × 7,831,519.72
  4. Step 4: Simplify right side
    14,357,890.60x = 155,172,863,686,434.22
  5. Step 5: Solve for x
    x = 155,172,863,686,434.22/14,357,890.60
  6. Step 6: Final answer
    x = 10,807,497.29

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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.