Home / 10,280,928.96-14,187,512.16-5,634,678.24

Finding the Fourth Proportional to 10,280,928.96, 14,187,512.16 and 5,634,678.24

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Solution

The fourth proportional to 10,280,928.96, 14,187,512.16 and 5,634,678.24 is: 7,775,762.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,280,928.96 : 14,187,512.16 = 5,634,678.24 : x
  2. Step 2: Convert to fraction form
    10,280,928.96/14,187,512.16 = 5,634,678.24/x
  3. Step 3: Cross multiply
    10,280,928.96x = 14,187,512.16 × 5,634,678.24
  4. Step 4: Simplify right side
    10,280,928.96x = 79,942,066,047,687.41
  5. Step 5: Solve for x
    x = 79,942,066,047,687.41/10,280,928.96
  6. Step 6: Final answer
    x = 7,775,762.91

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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.