Home / 13,173,649.90-19,783,088.63-8,085,955.25

Finding the Fourth Proportional to 13,173,649.90, 19,783,088.63 and 8,085,955.25

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Solution

The fourth proportional to 13,173,649.90, 19,783,088.63 and 8,085,955.25 is: 12,142,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,649.90 : 19,783,088.63 = 8,085,955.25 : x
  2. Step 2: Convert to fraction form
    13,173,649.90/19,783,088.63 = 8,085,955.25/x
  3. Step 3: Cross multiply
    13,173,649.90x = 19,783,088.63 × 8,085,955.25
  4. Step 4: Simplify right side
    13,173,649.90x = 159,965,169,368,963.81
  5. Step 5: Solve for x
    x = 159,965,169,368,963.81/13,173,649.90
  6. Step 6: Final answer
    x = 12,142,813.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.