Home / 13,357,884.36-18,433,915.94-7,246,312.86

Finding the Fourth Proportional to 13,357,884.36, 18,433,915.94 and 7,246,312.86

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Solution

The fourth proportional to 13,357,884.36, 18,433,915.94 and 7,246,312.86 is: 9,999,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,884.36 : 18,433,915.94 = 7,246,312.86 : x
  2. Step 2: Convert to fraction form
    13,357,884.36/18,433,915.94 = 7,246,312.86/x
  3. Step 3: Cross multiply
    13,357,884.36x = 18,433,915.94 × 7,246,312.86
  4. Step 4: Simplify right side
    13,357,884.36x = 133,577,922,136,181
  5. Step 5: Solve for x
    x = 133,577,922,136,181/13,357,884.36
  6. Step 6: Final answer
    x = 9,999,931.02

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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.