Home / 8,742,720.40-13,114,080.60-6,616,956.40

Finding the Fourth Proportional to 8,742,720.40, 13,114,080.60 and 6,616,956.40

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Solution

The fourth proportional to 8,742,720.40, 13,114,080.60 and 6,616,956.40 is: 9,925,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,720.40 : 13,114,080.60 = 6,616,956.40 : x
  2. Step 2: Convert to fraction form
    8,742,720.40/13,114,080.60 = 6,616,956.40/x
  3. Step 3: Cross multiply
    8,742,720.40x = 13,114,080.60 × 6,616,956.40
  4. Step 4: Simplify right side
    8,742,720.40x = 86,775,299,556,285.84
  5. Step 5: Solve for x
    x = 86,775,299,556,285.84/8,742,720.40
  6. Step 6: Final answer
    x = 9,925,434.60

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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.