Home / 28,046,116.16-41,958,484.32-21,242,288.96

Finding the Fourth Proportional to 28,046,116.16, 41,958,484.32 and 21,242,288.96

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Solution

The fourth proportional to 28,046,116.16, 41,958,484.32 and 21,242,288.96 is: 31,779,596.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,046,116.16 : 41,958,484.32 = 21,242,288.96 : x
  2. Step 2: Convert to fraction form
    28,046,116.16/41,958,484.32 = 21,242,288.96/x
  3. Step 3: Cross multiply
    28,046,116.16x = 41,958,484.32 × 21,242,288.96
  4. Step 4: Simplify right side
    28,046,116.16x = 891,294,248,249,069.12
  5. Step 5: Solve for x
    x = 891,294,248,249,069.12/28,046,116.16
  6. Step 6: Final answer
    x = 31,779,596.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.