Home / 13,411,732.48-20,121,570.72-7,736,030.08

Finding the Fourth Proportional to 13,411,732.48, 20,121,570.72 and 7,736,030.08

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Solution

The fourth proportional to 13,411,732.48, 20,121,570.72 and 7,736,030.08 is: 11,606,336.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,411,732.48 : 20,121,570.72 = 7,736,030.08 : x
  2. Step 2: Convert to fraction form
    13,411,732.48/20,121,570.72 = 7,736,030.08/x
  3. Step 3: Cross multiply
    13,411,732.48x = 20,121,570.72 × 7,736,030.08
  4. Step 4: Simplify right side
    13,411,732.48x = 155,661,076,346,767.25
  5. Step 5: Solve for x
    x = 155,661,076,346,767.25/13,411,732.48
  6. Step 6: Final answer
    x = 11,606,336.21

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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.