Home / 38,671,526.65-53,365,641.82-21,267,878.19

Finding the Fourth Proportional to 38,671,526.65, 53,365,641.82 and 21,267,878.19

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Solution

The fourth proportional to 38,671,526.65, 53,365,641.82 and 21,267,878.19 is: 29,349,086.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671,526.65 : 53,365,641.82 = 21,267,878.19 : x
  2. Step 2: Convert to fraction form
    38,671,526.65/53,365,641.82 = 21,267,878.19/x
  3. Step 3: Cross multiply
    38,671,526.65x = 53,365,641.82 × 21,267,878.19
  4. Step 4: Simplify right side
    38,671,526.65x = 1,134,973,969,652,590.50
  5. Step 5: Solve for x
    x = 1,134,973,969,652,590.50/38,671,526.65
  6. Step 6: Final answer
    x = 29,349,086.21

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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.