Home / 9,778,239.96-13,492,876.74-5,427,509.64

Finding the Fourth Proportional to 9,778,239.96, 13,492,876.74 and 5,427,509.64

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Solution

The fourth proportional to 9,778,239.96, 13,492,876.74 and 5,427,509.64 is: 7,489,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778,239.96 : 13,492,876.74 = 5,427,509.64 : x
  2. Step 2: Convert to fraction form
    9,778,239.96/13,492,876.74 = 5,427,509.64/x
  3. Step 3: Cross multiply
    9,778,239.96x = 13,492,876.74 × 5,427,509.64
  4. Step 4: Simplify right side
    9,778,239.96x = 73,232,718,577,681.77
  5. Step 5: Solve for x
    x = 73,232,718,577,681.77/9,778,239.96
  6. Step 6: Final answer
    x = 7,489,355.84

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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.