Home / 38,896,407.65-53,677,024.82-21,492,600.63

Finding the Fourth Proportional to 38,896,407.65, 53,677,024.82 and 21,492,600.63

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Solution

The fourth proportional to 38,896,407.65, 53,677,024.82 and 21,492,600.63 is: 29,659,779.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896,407.65 : 53,677,024.82 = 21,492,600.63 : x
  2. Step 2: Convert to fraction form
    38,896,407.65/53,677,024.82 = 21,492,600.63/x
  3. Step 3: Cross multiply
    38,896,407.65x = 53,677,024.82 × 21,492,600.63
  4. Step 4: Simplify right side
    38,896,407.65x = 1,153,658,857,355,394.50
  5. Step 5: Solve for x
    x = 1,153,658,857,355,394.50/38,896,407.65
  6. Step 6: Final answer
    x = 29,659,779.07

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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.