Home / 38,671,528.15-53,365,643.89-21,267,879.69

Finding the Fourth Proportional to 38,671,528.15, 53,365,643.89 and 21,267,879.69

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Solution

The fourth proportional to 38,671,528.15, 53,365,643.89 and 21,267,879.69 is: 29,349,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671,528.15 : 53,365,643.89 = 21,267,879.69 : x
  2. Step 2: Convert to fraction form
    38,671,528.15/53,365,643.89 = 21,267,879.69/x
  3. Step 3: Cross multiply
    38,671,528.15x = 53,365,643.89 × 21,267,879.69
  4. Step 4: Simplify right side
    38,671,528.15x = 1,134,974,093,831,903.75
  5. Step 5: Solve for x
    x = 1,134,974,093,831,903.75/38,671,528.15
  6. Step 6: Final answer
    x = 29,349,088.29

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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.