Home / 38,596,421.04-53,263,061.28-21,192,766.35

Finding the Fourth Proportional to 38,596,421.04, 53,263,061.28 and 21,192,766.35

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Solution

The fourth proportional to 38,596,421.04, 53,263,061.28 and 21,192,766.35 is: 29,246,017.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,596,421.04 : 53,263,061.28 = 21,192,766.35 : x
  2. Step 2: Convert to fraction form
    38,596,421.04/53,263,061.28 = 21,192,766.35/x
  3. Step 3: Cross multiply
    38,596,421.04x = 53,263,061.28 × 21,192,766.35
  4. Step 4: Simplify right side
    38,596,421.04x = 1,128,791,612,792,772
  5. Step 5: Solve for x
    x = 1,128,791,612,792,772/38,596,421.04
  6. Step 6: Final answer
    x = 29,246,017.70

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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.