Home / 10,009,506.79-13,813,015.85-5,599,175.05

Finding the Fourth Proportional to 10,009,506.79, 13,813,015.85 and 5,599,175.05

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Solution

The fourth proportional to 10,009,506.79, 13,813,015.85 and 5,599,175.05 is: 7,726,803.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,009,506.79 : 13,813,015.85 = 5,599,175.05 : x
  2. Step 2: Convert to fraction form
    10,009,506.79/13,813,015.85 = 5,599,175.05/x
  3. Step 3: Cross multiply
    10,009,506.79x = 13,813,015.85 × 5,599,175.05
  4. Step 4: Simplify right side
    10,009,506.79x = 77,341,493,712,574.53
  5. Step 5: Solve for x
    x = 77,341,493,712,574.53/10,009,506.79
  6. Step 6: Final answer
    x = 7,726,803.66

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Double scale
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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.