Home / 11,939,938.98-17,909,897.53-3,742,640.16

Finding the Fourth Proportional to 11,939,938.98, 17,909,897.53 and 3,742,640.16

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Solution

The fourth proportional to 11,939,938.98, 17,909,897.53 and 3,742,640.16 is: 5,613,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,939,938.98 : 17,909,897.53 = 3,742,640.16 : x
  2. Step 2: Convert to fraction form
    11,939,938.98/17,909,897.53 = 3,742,640.16/x
  3. Step 3: Cross multiply
    11,939,938.98x = 17,909,897.53 × 3,742,640.16
  4. Step 4: Simplify right side
    11,939,938.98x = 67,030,301,680,744.09
  5. Step 5: Solve for x
    x = 67,030,301,680,744.09/11,939,938.98
  6. Step 6: Final answer
    x = 5,613,956.81

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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.