Home / 13,405,496.64-18,501,482.88-7,605,715.20

Finding the Fourth Proportional to 13,405,496.64, 18,501,482.88 and 7,605,715.20

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Solution

The fourth proportional to 13,405,496.64, 18,501,482.88 and 7,605,715.20 is: 10,496,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,405,496.64 : 18,501,482.88 = 7,605,715.20 : x
  2. Step 2: Convert to fraction form
    13,405,496.64/18,501,482.88 = 7,605,715.20/x
  3. Step 3: Cross multiply
    13,405,496.64x = 18,501,482.88 × 7,605,715.20
  4. Step 4: Simplify right side
    13,405,496.64x = 140,717,009,562,955.77
  5. Step 5: Solve for x
    x = 140,717,009,562,955.77/13,405,496.64
  6. Step 6: Final answer
    x = 10,496,963.55

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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.