Home / 6,818,368.32-9,409,880.16-3,918,771.36

Finding the Fourth Proportional to 6,818,368.32, 9,409,880.16 and 3,918,771.36

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Solution

The fourth proportional to 6,818,368.32, 9,409,880.16 and 3,918,771.36 is: 5,408,210.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818,368.32 : 9,409,880.16 = 3,918,771.36 : x
  2. Step 2: Convert to fraction form
    6,818,368.32/9,409,880.16 = 3,918,771.36/x
  3. Step 3: Cross multiply
    6,818,368.32x = 9,409,880.16 × 3,918,771.36
  4. Step 4: Simplify right side
    6,818,368.32x = 36,875,168,872,040.22
  5. Step 5: Solve for x
    x = 36,875,168,872,040.22/6,818,368.32
  6. Step 6: Final answer
    x = 5,408,210.17

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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.