Home / 19,232,906.18-28,803,561.86-11,128,802.72

Finding the Fourth Proportional to 19,232,906.18, 28,803,561.86 and 11,128,802.72

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Solution

The fourth proportional to 19,232,906.18, 28,803,561.86 and 11,128,802.72 is: 16,666,704.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,232,906.18 : 28,803,561.86 = 11,128,802.72 : x
  2. Step 2: Convert to fraction form
    19,232,906.18/28,803,561.86 = 11,128,802.72/x
  3. Step 3: Cross multiply
    19,232,906.18x = 28,803,561.86 × 11,128,802.72
  4. Step 4: Simplify right side
    19,232,906.18x = 320,549,157,457,060.44
  5. Step 5: Solve for x
    x = 320,549,157,457,060.44/19,232,906.18
  6. Step 6: Final answer
    x = 16,666,704.17

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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.