Home / 7,009,607.60-10,513,633.80-1,961,428.40

Finding the Fourth Proportional to 7,009,607.60, 10,513,633.80 and 1,961,428.40

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Solution

The fourth proportional to 7,009,607.60, 10,513,633.80 and 1,961,428.40 is: 2,941,925.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009,607.60 : 10,513,633.80 = 1,961,428.40 : x
  2. Step 2: Convert to fraction form
    7,009,607.60/10,513,633.80 = 1,961,428.40/x
  3. Step 3: Cross multiply
    7,009,607.60x = 10,513,633.80 × 1,961,428.40
  4. Step 4: Simplify right side
    7,009,607.60x = 20,621,739,922,519.92
  5. Step 5: Solve for x
    x = 20,621,739,922,519.92/7,009,607.60
  6. Step 6: Final answer
    x = 2,941,925.01

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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.