Home / 7,881,607.40-11,821,536.30-6,459,182.60

Finding the Fourth Proportional to 7,881,607.40, 11,821,536.30 and 6,459,182.60

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Solution

The fourth proportional to 7,881,607.40, 11,821,536.30 and 6,459,182.60 is: 9,688,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,607.40 : 11,821,536.30 = 6,459,182.60 : x
  2. Step 2: Convert to fraction form
    7,881,607.40/11,821,536.30 = 6,459,182.60/x
  3. Step 3: Cross multiply
    7,881,607.40x = 11,821,536.30 × 6,459,182.60
  4. Step 4: Simplify right side
    7,881,607.40x = 76,357,461,574,228.38
  5. Step 5: Solve for x
    x = 76,357,461,574,228.38/7,881,607.40
  6. Step 6: Final answer
    x = 9,688,056.98

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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.