Home / 19,911,989.04-29,871,132.84-7,132,210.80

Finding the Fourth Proportional to 19,911,989.04, 29,871,132.84 and 7,132,210.80

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Solution

The fourth proportional to 19,911,989.04, 29,871,132.84 and 7,132,210.80 is: 10,699,444.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,911,989.04 : 29,871,132.84 = 7,132,210.80 : x
  2. Step 2: Convert to fraction form
    19,911,989.04/29,871,132.84 = 7,132,210.80/x
  3. Step 3: Cross multiply
    19,911,989.04x = 29,871,132.84 × 7,132,210.80
  4. Step 4: Simplify right side
    19,911,989.04x = 213,047,216,249,682.66
  5. Step 5: Solve for x
    x = 213,047,216,249,682.66/19,911,989.04
  6. Step 6: Final answer
    x = 10,699,444.23

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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.