Home / 9,415,152.84-12,992,528.34-5,340,684.36

Finding the Fourth Proportional to 9,415,152.84, 12,992,528.34 and 5,340,684.36

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Solution

The fourth proportional to 9,415,152.84, 12,992,528.34 and 5,340,684.36 is: 7,369,927.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415,152.84 : 12,992,528.34 = 5,340,684.36 : x
  2. Step 2: Convert to fraction form
    9,415,152.84/12,992,528.34 = 5,340,684.36/x
  3. Step 3: Cross multiply
    9,415,152.84x = 12,992,528.34 × 5,340,684.36
  4. Step 4: Simplify right side
    9,415,152.84x = 69,388,992,902,294.77
  5. Step 5: Solve for x
    x = 69,388,992,902,294.77/9,415,152.84
  6. Step 6: Final answer
    x = 7,369,927.40

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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.