Home / 30,742,789.12-46,116,564.96-10,272,579.52

Finding the Fourth Proportional to 30,742,789.12, 46,116,564.96 and 10,272,579.52

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Solution

The fourth proportional to 30,742,789.12, 46,116,564.96 and 10,272,579.52 is: 15,409,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,742,789.12 : 46,116,564.96 = 10,272,579.52 : x
  2. Step 2: Convert to fraction form
    30,742,789.12/46,116,564.96 = 10,272,579.52/x
  3. Step 3: Cross multiply
    30,742,789.12x = 46,116,564.96 × 10,272,579.52
  4. Step 4: Simplify right side
    30,742,789.12x = 473,736,080,740,845.62
  5. Step 5: Solve for x
    x = 473,736,080,740,845.62/30,742,789.12
  6. Step 6: Final answer
    x = 15,409,664.98

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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.