Home / 28,896,841.20-43,345,261.80-19,316,809.20

Finding the Fourth Proportional to 28,896,841.20, 43,345,261.80 and 19,316,809.20

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Solution

The fourth proportional to 28,896,841.20, 43,345,261.80 and 19,316,809.20 is: 28,975,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,896,841.20 : 43,345,261.80 = 19,316,809.20 : x
  2. Step 2: Convert to fraction form
    28,896,841.20/43,345,261.80 = 19,316,809.20/x
  3. Step 3: Cross multiply
    28,896,841.20x = 43,345,261.80 × 19,316,809.20
  4. Step 4: Simplify right side
    28,896,841.20x = 837,292,151,914,648.50
  5. Step 5: Solve for x
    x = 837,292,151,914,648.50/28,896,841.20
  6. Step 6: Final answer
    x = 28,975,213.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.