Home / 21,430,209.76-29,574,239.54-11,641,214.16

Finding the Fourth Proportional to 21,430,209.76, 29,574,239.54 and 11,641,214.16

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Solution

The fourth proportional to 21,430,209.76, 29,574,239.54 and 11,641,214.16 is: 16,065,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,430,209.76 : 29,574,239.54 = 11,641,214.16 : x
  2. Step 2: Convert to fraction form
    21,430,209.76/29,574,239.54 = 11,641,214.16/x
  3. Step 3: Cross multiply
    21,430,209.76x = 29,574,239.54 × 11,641,214.16
  4. Step 4: Simplify right side
    21,430,209.76x = 344,280,056,046,073.81
  5. Step 5: Solve for x
    x = 344,280,056,046,073.81/21,430,209.76
  6. Step 6: Final answer
    x = 16,065,174.35

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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.