Home / 20,235,444.51-27,934,032.89-12,903,133.35

Finding the Fourth Proportional to 20,235,444.51, 27,934,032.89 and 12,903,133.35

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Solution

The fourth proportional to 20,235,444.51, 27,934,032.89 and 12,903,133.35 is: 17,812,139.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,235,444.51 : 27,934,032.89 = 12,903,133.35 : x
  2. Step 2: Convert to fraction form
    20,235,444.51/27,934,032.89 = 12,903,133.35/x
  3. Step 3: Cross multiply
    20,235,444.51x = 27,934,032.89 × 12,903,133.35
  4. Step 4: Simplify right side
    20,235,444.51x = 360,436,551,318,440.25
  5. Step 5: Solve for x
    x = 360,436,551,318,440.25/20,235,444.51
  6. Step 6: Final answer
    x = 17,812,139.05

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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.