Home / 8,000,625.40-11,038,160.26-5,208,477.28

Finding the Fourth Proportional to 8,000,625.40, 11,038,160.26 and 5,208,477.28

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Solution

The fourth proportional to 8,000,625.40, 11,038,160.26 and 5,208,477.28 is: 7,185,939.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000,625.40 : 11,038,160.26 = 5,208,477.28 : x
  2. Step 2: Convert to fraction form
    8,000,625.40/11,038,160.26 = 5,208,477.28/x
  3. Step 3: Cross multiply
    8,000,625.40x = 11,038,160.26 × 5,208,477.28
  4. Step 4: Simplify right side
    8,000,625.40x = 57,492,006,927,208.89
  5. Step 5: Solve for x
    x = 57,492,006,927,208.89/8,000,625.40
  6. Step 6: Final answer
    x = 7,185,939.11

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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.