Home / 15,271,921.65-21,075,667.61-8,303,068.11

Finding the Fourth Proportional to 15,271,921.65, 21,075,667.61 and 8,303,068.11

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Solution

The fourth proportional to 15,271,921.65, 21,075,667.61 and 8,303,068.11 is: 11,458,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271,921.65 : 21,075,667.61 = 8,303,068.11 : x
  2. Step 2: Convert to fraction form
    15,271,921.65/21,075,667.61 = 8,303,068.11/x
  3. Step 3: Cross multiply
    15,271,921.65x = 21,075,667.61 × 8,303,068.11
  4. Step 4: Simplify right side
    15,271,921.65x = 174,992,703,509,001.84
  5. Step 5: Solve for x
    x = 174,992,703,509,001.84/15,271,921.65
  6. Step 6: Final answer
    x = 11,458,460.01

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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.