Home / 21,338,159.60-32,007,239.40-13,685,409.20

Finding the Fourth Proportional to 21,338,159.60, 32,007,239.40 and 13,685,409.20

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Solution

The fourth proportional to 21,338,159.60, 32,007,239.40 and 13,685,409.20 is: 20,528,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,338,159.60 : 32,007,239.40 = 13,685,409.20 : x
  2. Step 2: Convert to fraction form
    21,338,159.60/32,007,239.40 = 13,685,409.20/x
  3. Step 3: Cross multiply
    21,338,159.60x = 32,007,239.40 × 13,685,409.20
  4. Step 4: Simplify right side
    21,338,159.60x = 438,032,168,551,362.44
  5. Step 5: Solve for x
    x = 438,032,168,551,362.44/21,338,159.60
  6. Step 6: Final answer
    x = 20,528,113.80

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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.