Home / 11,142,140.64-15,370,495-7,276,924.32

Finding the Fourth Proportional to 11,142,140.64, 15,370,495 and 7,276,924.32

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Solution

The fourth proportional to 11,142,140.64, 15,370,495 and 7,276,924.32 is: 10,038,459.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,142,140.64 : 15,370,495 = 7,276,924.32 : x
  2. Step 2: Convert to fraction form
    11,142,140.64/15,370,495 = 7,276,924.32/x
  3. Step 3: Cross multiply
    11,142,140.64x = 15,370,495 × 7,276,924.32
  4. Step 4: Simplify right side
    11,142,140.64x = 111,849,928,875,938.41
  5. Step 5: Solve for x
    x = 111,849,928,875,938.41/11,142,140.64
  6. Step 6: Final answer
    x = 10,038,459.62

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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.