Home / 20,237,628.60-30,293,457.30-11,692,582.20

Finding the Fourth Proportional to 20,237,628.60, 30,293,457.30 and 11,692,582.20

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Solution

The fourth proportional to 20,237,628.60, 30,293,457.30 and 11,692,582.20 is: 17,502,482.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237,628.60 : 30,293,457.30 = 11,692,582.20 : x
  2. Step 2: Convert to fraction form
    20,237,628.60/30,293,457.30 = 11,692,582.20/x
  3. Step 3: Cross multiply
    20,237,628.60x = 30,293,457.30 × 11,692,582.20
  4. Step 4: Simplify right side
    20,237,628.60x = 354,208,739,602,440.06
  5. Step 5: Solve for x
    x = 354,208,739,602,440.06/20,237,628.60
  6. Step 6: Final answer
    x = 17,502,482.46

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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.