Home / 14,318,075.64-19,758,947.70-7,879,547.64

Finding the Fourth Proportional to 14,318,075.64, 19,758,947.70 and 7,879,547.64

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Solution

The fourth proportional to 14,318,075.64, 19,758,947.70 and 7,879,547.64 is: 10,873,777.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318,075.64 : 19,758,947.70 = 7,879,547.64 : x
  2. Step 2: Convert to fraction form
    14,318,075.64/19,758,947.70 = 7,879,547.64/x
  3. Step 3: Cross multiply
    14,318,075.64x = 19,758,947.70 × 7,879,547.64
  4. Step 4: Simplify right side
    14,318,075.64x = 155,691,569,718,418.41
  5. Step 5: Solve for x
    x = 155,691,569,718,418.41/14,318,075.64
  6. Step 6: Final answer
    x = 10,873,777.57

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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.