Home / 15,271,925.31-21,075,672.66-8,303,071.76

Finding the Fourth Proportional to 15,271,925.31, 21,075,672.66 and 8,303,071.76

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Solution

The fourth proportional to 15,271,925.31, 21,075,672.66 and 8,303,071.76 is: 11,458,465.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271,925.31 : 21,075,672.66 = 8,303,071.76 : x
  2. Step 2: Convert to fraction form
    15,271,925.31/21,075,672.66 = 8,303,071.76/x
  3. Step 3: Cross multiply
    15,271,925.31x = 21,075,672.66 × 8,303,071.76
  4. Step 4: Simplify right side
    15,271,925.31x = 174,992,822,547,319.62
  5. Step 5: Solve for x
    x = 174,992,822,547,319.62/15,271,925.31
  6. Step 6: Final answer
    x = 11,458,465.06

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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.