Home / 19,518,921.09-29,284,500.47-11,746,316.34

Finding the Fourth Proportional to 19,518,921.09, 29,284,500.47 and 11,746,316.34

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Solution

The fourth proportional to 19,518,921.09, 29,284,500.47 and 11,746,316.34 is: 17,623,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518,921.09 : 29,284,500.47 = 11,746,316.34 : x
  2. Step 2: Convert to fraction form
    19,518,921.09/29,284,500.47 = 11,746,316.34/x
  3. Step 3: Cross multiply
    19,518,921.09x = 29,284,500.47 × 11,746,316.34
  4. Step 4: Simplify right side
    19,518,921.09x = 343,985,006,320,767.06
  5. Step 5: Solve for x
    x = 343,985,006,320,767.06/19,518,921.09
  6. Step 6: Final answer
    x = 17,623,156.77

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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.