Home / 29,032,311.87-43,547,434.45-12,637,570.25

Finding the Fourth Proportional to 29,032,311.87, 43,547,434.45 and 12,637,570.25

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Solution

The fourth proportional to 29,032,311.87, 43,547,434.45 and 12,637,570.25 is: 18,955,905.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,032,311.87 : 43,547,434.45 = 12,637,570.25 : x
  2. Step 2: Convert to fraction form
    29,032,311.87/43,547,434.45 = 12,637,570.25/x
  3. Step 3: Cross multiply
    29,032,311.87x = 43,547,434.45 × 12,637,570.25
  4. Step 4: Simplify right side
    29,032,311.87x = 550,333,762,146,419.75
  5. Step 5: Solve for x
    x = 550,333,762,146,419.75/29,032,311.87
  6. Step 6: Final answer
    x = 18,955,905.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.