Home / 10,956,365.22-15,120,064.80-6,605,730.48

Finding the Fourth Proportional to 10,956,365.22, 15,120,064.80 and 6,605,730.48

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Solution

The fourth proportional to 10,956,365.22, 15,120,064.80 and 6,605,730.48 is: 9,116,077.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956,365.22 : 15,120,064.80 = 6,605,730.48 : x
  2. Step 2: Convert to fraction form
    10,956,365.22/15,120,064.80 = 6,605,730.48/x
  3. Step 3: Cross multiply
    10,956,365.22x = 15,120,064.80 × 6,605,730.48
  4. Step 4: Simplify right side
    10,956,365.22x = 99,879,072,908,935.11
  5. Step 5: Solve for x
    x = 99,879,072,908,935.11/10,956,365.22
  6. Step 6: Final answer
    x = 9,116,077.36

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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.