Home / 38,742,053.63-53,466,459.75-21,338,392.41

Finding the Fourth Proportional to 38,742,053.63, 53,466,459.75 and 21,338,392.41

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Solution

The fourth proportional to 38,742,053.63, 53,466,459.75 and 21,338,392.41 is: 29,448,317.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742,053.63 : 53,466,459.75 = 21,338,392.41 : x
  2. Step 2: Convert to fraction form
    38,742,053.63/53,466,459.75 = 21,338,392.41/x
  3. Step 3: Cross multiply
    38,742,053.63x = 53,466,459.75 × 21,338,392.41
  4. Step 4: Simplify right side
    38,742,053.63x = 1,140,888,298,918,970.50
  5. Step 5: Solve for x
    x = 1,140,888,298,918,970.50/38,742,053.63
  6. Step 6: Final answer
    x = 29,448,317.58

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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.