Home / 20,736,111.40-31,104,167.10-10,532,444.20

Finding the Fourth Proportional to 20,736,111.40, 31,104,167.10 and 10,532,444.20

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Solution

The fourth proportional to 20,736,111.40, 31,104,167.10 and 10,532,444.20 is: 15,798,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,111.40 : 31,104,167.10 = 10,532,444.20 : x
  2. Step 2: Convert to fraction form
    20,736,111.40/31,104,167.10 = 10,532,444.20/x
  3. Step 3: Cross multiply
    20,736,111.40x = 31,104,167.10 × 10,532,444.20
  4. Step 4: Simplify right side
    20,736,111.40x = 327,602,904,368,225.81
  5. Step 5: Solve for x
    x = 327,602,904,368,225.81/20,736,111.40
  6. Step 6: Final answer
    x = 15,798,666.30

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1.5x scale

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.