Home / 15,614,880.52-21,549,208.64-8,645,558.08

Finding the Fourth Proportional to 15,614,880.52, 21,549,208.64 and 8,645,558.08

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Solution

The fourth proportional to 15,614,880.52, 21,549,208.64 and 8,645,558.08 is: 11,931,243.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,614,880.52 : 21,549,208.64 = 8,645,558.08 : x
  2. Step 2: Convert to fraction form
    15,614,880.52/21,549,208.64 = 8,645,558.08/x
  3. Step 3: Cross multiply
    15,614,880.52x = 21,549,208.64 × 8,645,558.08
  4. Step 4: Simplify right side
    15,614,880.52x = 186,304,934,875,157.81
  5. Step 5: Solve for x
    x = 186,304,934,875,157.81/15,614,880.52
  6. Step 6: Final answer
    x = 11,931,243.06

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1.5x scale

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.