Home / 11,947,710.95-16,487,567.51-7,301,477.78

Finding the Fourth Proportional to 11,947,710.95, 16,487,567.51 and 7,301,477.78

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Solution

The fourth proportional to 11,947,710.95, 16,487,567.51 and 7,301,477.78 is: 10,075,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947,710.95 : 16,487,567.51 = 7,301,477.78 : x
  2. Step 2: Convert to fraction form
    11,947,710.95/16,487,567.51 = 7,301,477.78/x
  3. Step 3: Cross multiply
    11,947,710.95x = 16,487,567.51 × 7,301,477.78
  4. Step 4: Simplify right side
    11,947,710.95x = 120,383,607,701,569.72
  5. Step 5: Solve for x
    x = 120,383,607,701,569.72/11,947,710.95
  6. Step 6: Final answer
    x = 10,075,872.13

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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.