Home / 21,806,653.60-32,709,980.40-13,303,597.60

Finding the Fourth Proportional to 21,806,653.60, 32,709,980.40 and 13,303,597.60

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Solution

The fourth proportional to 21,806,653.60, 32,709,980.40 and 13,303,597.60 is: 19,955,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,653.60 : 32,709,980.40 = 13,303,597.60 : x
  2. Step 2: Convert to fraction form
    21,806,653.60/32,709,980.40 = 13,303,597.60/x
  3. Step 3: Cross multiply
    21,806,653.60x = 32,709,980.40 × 13,303,597.60
  4. Step 4: Simplify right side
    21,806,653.60x = 435,160,416,745,487
  5. Step 5: Solve for x
    x = 435,160,416,745,487/21,806,653.60
  6. Step 6: Final answer
    x = 19,955,396.40

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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.