Home / 11,779,871.76-16,259,109.72-7,200,032.40

Finding the Fourth Proportional to 11,779,871.76, 16,259,109.72 and 7,200,032.40

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Solution

The fourth proportional to 11,779,871.76, 16,259,109.72 and 7,200,032.40 is: 9,937,809.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779,871.76 : 16,259,109.72 = 7,200,032.40 : x
  2. Step 2: Convert to fraction form
    11,779,871.76/16,259,109.72 = 7,200,032.40/x
  3. Step 3: Cross multiply
    11,779,871.76x = 16,259,109.72 × 7,200,032.40
  4. Step 4: Simplify right side
    11,779,871.76x = 117,066,116,779,154.94
  5. Step 5: Solve for x
    x = 117,066,116,779,154.94/11,779,871.76
  6. Step 6: Final answer
    x = 9,937,809.10

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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.