Home / 11,779,886.76-16,259,130.42-7,200,047.40

Finding the Fourth Proportional to 11,779,886.76, 16,259,130.42 and 7,200,047.40

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Solution

The fourth proportional to 11,779,886.76, 16,259,130.42 and 7,200,047.40 is: 9,937,829.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779,886.76 : 16,259,130.42 = 7,200,047.40 : x
  2. Step 2: Convert to fraction form
    11,779,886.76/16,259,130.42 = 7,200,047.40/x
  3. Step 3: Cross multiply
    11,779,886.76x = 16,259,130.42 × 7,200,047.40
  4. Step 4: Simplify right side
    11,779,886.76x = 117,066,509,706,781.91
  5. Step 5: Solve for x
    x = 117,066,509,706,781.91/11,779,886.76
  6. Step 6: Final answer
    x = 9,937,829.80

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1.5x scale

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.