Home / 8,742,017.80-13,113,026.70-8,686,030.60

Finding the Fourth Proportional to 8,742,017.80, 13,113,026.70 and 8,686,030.60

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Solution

The fourth proportional to 8,742,017.80, 13,113,026.70 and 8,686,030.60 is: 13,029,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,017.80 : 13,113,026.70 = 8,686,030.60 : x
  2. Step 2: Convert to fraction form
    8,742,017.80/13,113,026.70 = 8,686,030.60/x
  3. Step 3: Cross multiply
    8,742,017.80x = 13,113,026.70 × 8,686,030.60
  4. Step 4: Simplify right side
    8,742,017.80x = 113,900,151,174,817.02
  5. Step 5: Solve for x
    x = 113,900,151,174,817.02/8,742,017.80
  6. Step 6: Final answer
    x = 13,029,045.90

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Double scale
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Similar ratio
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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.