Home / 12,805,755.16-17,671,566.16-7,004,411.32

Finding the Fourth Proportional to 12,805,755.16, 17,671,566.16 and 7,004,411.32

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Solution

The fourth proportional to 12,805,755.16, 17,671,566.16 and 7,004,411.32 is: 9,665,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,755.16 : 17,671,566.16 = 7,004,411.32 : x
  2. Step 2: Convert to fraction form
    12,805,755.16/17,671,566.16 = 7,004,411.32/x
  3. Step 3: Cross multiply
    12,805,755.16x = 17,671,566.16 × 7,004,411.32
  4. Step 4: Simplify right side
    12,805,755.16x = 123,778,918,053,232.94
  5. Step 5: Solve for x
    x = 123,778,918,053,232.94/12,805,755.16
  6. Step 6: Final answer
    x = 9,665,881.98

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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.