Home / 15,348,202.47-21,180,904.53-8,732,426.22

Finding the Fourth Proportional to 15,348,202.47, 21,180,904.53 and 8,732,426.22

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Solution

The fourth proportional to 15,348,202.47, 21,180,904.53 and 8,732,426.22 is: 12,050,967.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348,202.47 : 21,180,904.53 = 8,732,426.22 : x
  2. Step 2: Convert to fraction form
    15,348,202.47/21,180,904.53 = 8,732,426.22/x
  3. Step 3: Cross multiply
    15,348,202.47x = 21,180,904.53 × 8,732,426.22
  4. Step 4: Simplify right side
    15,348,202.47x = 184,960,686,081,088.81
  5. Step 5: Solve for x
    x = 184,960,686,081,088.81/15,348,202.47
  6. Step 6: Final answer
    x = 12,050,967.30

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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.