Home / 9,772,659.41-13,487,888.88-5,423,142.87

Finding the Fourth Proportional to 9,772,659.41, 13,487,888.88 and 5,423,142.87

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Solution

The fourth proportional to 9,772,659.41, 13,487,888.88 and 5,423,142.87 is: 7,484,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772,659.41 : 13,487,888.88 = 5,423,142.87 : x
  2. Step 2: Convert to fraction form
    9,772,659.41/13,487,888.88 = 5,423,142.87/x
  3. Step 3: Cross multiply
    9,772,659.41x = 13,487,888.88 × 5,423,142.87
  4. Step 4: Simplify right side
    9,772,659.41x = 73,146,748,410,924.30
  5. Step 5: Solve for x
    x = 73,146,748,410,924.30/9,772,659.41
  6. Step 6: Final answer
    x = 7,484,835.54

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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.