Home / 9,036,980.64-12,471,326.32-5,169,509.28

Finding the Fourth Proportional to 9,036,980.64, 12,471,326.32 and 5,169,509.28

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Solution

The fourth proportional to 9,036,980.64, 12,471,326.32 and 5,169,509.28 is: 7,134,090.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036,980.64 : 12,471,326.32 = 5,169,509.28 : x
  2. Step 2: Convert to fraction form
    9,036,980.64/12,471,326.32 = 5,169,509.28/x
  3. Step 3: Cross multiply
    9,036,980.64x = 12,471,326.32 × 5,169,509.28
  4. Step 4: Simplify right side
    9,036,980.64x = 64,470,637,145,148.26
  5. Step 5: Solve for x
    x = 64,470,637,145,148.26/9,036,980.64
  6. Step 6: Final answer
    x = 7,134,090.44

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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.