Home / 9,042,394.84-12,478,216.80-5,174,833.03

Finding the Fourth Proportional to 9,042,394.84, 12,478,216.80 and 5,174,833.03

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Solution

The fourth proportional to 9,042,394.84, 12,478,216.80 and 5,174,833.03 is: 7,141,104.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,042,394.84 : 12,478,216.80 = 5,174,833.03 : x
  2. Step 2: Convert to fraction form
    9,042,394.84/12,478,216.80 = 5,174,833.03/x
  3. Step 3: Cross multiply
    9,042,394.84x = 12,478,216.80 × 5,174,833.03
  4. Step 4: Simplify right side
    9,042,394.84x = 64,572,688,452,140.91
  5. Step 5: Solve for x
    x = 64,572,688,452,140.91/9,042,394.84
  6. Step 6: Final answer
    x = 7,141,104.72

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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.