Home / 14,254,442.16-19,671,265.44-7,728,054.72

Finding the Fourth Proportional to 14,254,442.16, 19,671,265.44 and 7,728,054.72

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Solution

The fourth proportional to 14,254,442.16, 19,671,265.44 and 7,728,054.72 is: 10,664,788.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,254,442.16 : 19,671,265.44 = 7,728,054.72 : x
  2. Step 2: Convert to fraction form
    14,254,442.16/19,671,265.44 = 7,728,054.72/x
  3. Step 3: Cross multiply
    14,254,442.16x = 19,671,265.44 × 7,728,054.72
  4. Step 4: Simplify right side
    14,254,442.16x = 152,020,615,731,964.88
  5. Step 5: Solve for x
    x = 152,020,615,731,964.88/14,254,442.16
  6. Step 6: Final answer
    x = 10,664,788.84

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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.