Home / 14,975,746.40-20,666,526.36-8,449,317.20

Finding the Fourth Proportional to 14,975,746.40, 20,666,526.36 and 8,449,317.20

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Solution

The fourth proportional to 14,975,746.40, 20,666,526.36 and 8,449,317.20 is: 11,660,055.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,975,746.40 : 20,666,526.36 = 8,449,317.20 : x
  2. Step 2: Convert to fraction form
    14,975,746.40/20,666,526.36 = 8,449,317.20/x
  3. Step 3: Cross multiply
    14,975,746.40x = 20,666,526.36 × 8,449,317.20
  4. Step 4: Simplify right side
    14,975,746.40x = 174,618,036,637,801.38
  5. Step 5: Solve for x
    x = 174,618,036,637,801.38/14,975,746.40
  6. Step 6: Final answer
    x = 11,660,055.66

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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.