Home / 7,415,804.07-10,234,846.40-5,357,479.05

Finding the Fourth Proportional to 7,415,804.07, 10,234,846.40 and 5,357,479.05

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Solution

The fourth proportional to 7,415,804.07, 10,234,846.40 and 5,357,479.05 is: 7,394,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415,804.07 : 10,234,846.40 = 5,357,479.05 : x
  2. Step 2: Convert to fraction form
    7,415,804.07/10,234,846.40 = 5,357,479.05/x
  3. Step 3: Cross multiply
    7,415,804.07x = 10,234,846.40 × 5,357,479.05
  4. Step 4: Simplify right side
    7,415,804.07x = 54,832,975,141,180.52
  5. Step 5: Solve for x
    x = 54,832,975,141,180.52/7,415,804.07
  6. Step 6: Final answer
    x = 7,394,070.10

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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.