Home / 9,280,518.12-12,808,655.28-5,413,039.28

Finding the Fourth Proportional to 9,280,518.12, 12,808,655.28 and 5,413,039.28

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Solution

The fourth proportional to 9,280,518.12, 12,808,655.28 and 5,413,039.28 is: 7,470,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280,518.12 : 12,808,655.28 = 5,413,039.28 : x
  2. Step 2: Convert to fraction form
    9,280,518.12/12,808,655.28 = 5,413,039.28/x
  3. Step 3: Cross multiply
    9,280,518.12x = 12,808,655.28 × 5,413,039.28
  4. Step 4: Simplify right side
    9,280,518.12x = 69,333,754,154,619.40
  5. Step 5: Solve for x
    x = 69,333,754,154,619.40/9,280,518.12
  6. Step 6: Final answer
    x = 7,470,892.60

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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.