Home / 16,742,130.81-25,100,422.74-7,637,861.40

Finding the Fourth Proportional to 16,742,130.81, 25,100,422.74 and 7,637,861.40

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Solution

The fourth proportional to 16,742,130.81, 25,100,422.74 and 7,637,861.40 is: 11,450,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742,130.81 : 25,100,422.74 = 7,637,861.40 : x
  2. Step 2: Convert to fraction form
    16,742,130.81/25,100,422.74 = 7,637,861.40/x
  3. Step 3: Cross multiply
    16,742,130.81x = 25,100,422.74 × 7,637,861.40
  4. Step 4: Simplify right side
    16,742,130.81x = 191,713,549,969,528.22
  5. Step 5: Solve for x
    x = 191,713,549,969,528.22/16,742,130.81
  6. Step 6: Final answer
    x = 11,450,964.76

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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.