Home / 38,671,528.14-53,365,643.88-21,267,879.70

Finding the Fourth Proportional to 38,671,528.14, 53,365,643.88 and 21,267,879.70

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Solution

The fourth proportional to 38,671,528.14, 53,365,643.88 and 21,267,879.70 is: 29,349,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671,528.14 : 53,365,643.88 = 21,267,879.70 : x
  2. Step 2: Convert to fraction form
    38,671,528.14/53,365,643.88 = 21,267,879.70/x
  3. Step 3: Cross multiply
    38,671,528.14x = 53,365,643.88 × 21,267,879.70
  4. Step 4: Simplify right side
    38,671,528.14x = 1,134,974,094,152,881.25
  5. Step 5: Solve for x
    x = 1,134,974,094,152,881.25/38,671,528.14
  6. Step 6: Final answer
    x = 29,349,088.30

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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.