Home / 9,187,678.13-12,678,995.81-5,114,259.41

Finding the Fourth Proportional to 9,187,678.13, 12,678,995.81 and 5,114,259.41

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Solution

The fourth proportional to 9,187,678.13, 12,678,995.81 and 5,114,259.41 is: 7,057,677.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187,678.13 : 12,678,995.81 = 5,114,259.41 : x
  2. Step 2: Convert to fraction form
    9,187,678.13/12,678,995.81 = 5,114,259.41/x
  3. Step 3: Cross multiply
    9,187,678.13x = 12,678,995.81 × 5,114,259.41
  4. Step 4: Simplify right side
    9,187,678.13x = 64,843,673,580,033.74
  5. Step 5: Solve for x
    x = 64,843,673,580,033.74/9,187,678.13
  6. Step 6: Final answer
    x = 7,057,677.98

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1.5x scale

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.