Home / 30,741,820.65-42,422,553-16,803,058.16

Finding the Fourth Proportional to 30,741,820.65, 42,422,553 and 16,803,058.16

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Solution

The fourth proportional to 30,741,820.65, 42,422,553 and 16,803,058.16 is: 23,187,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,741,820.65 : 42,422,553 = 16,803,058.16 : x
  2. Step 2: Convert to fraction form
    30,741,820.65/42,422,553 = 16,803,058.16/x
  3. Step 3: Cross multiply
    30,741,820.65x = 42,422,553 × 16,803,058.16
  4. Step 4: Simplify right side
    30,741,820.65x = 712,828,625,142,569.75
  5. Step 5: Solve for x
    x = 712,828,625,142,569.75/30,741,820.65
  6. Step 6: Final answer
    x = 23,187,586.49

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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.