Home / 20,938,457.50-31,407,697.73-9,570,934.51

Finding the Fourth Proportional to 20,938,457.50, 31,407,697.73 and 9,570,934.51

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Solution

The fourth proportional to 20,938,457.50, 31,407,697.73 and 9,570,934.51 is: 14,356,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,938,457.50 : 31,407,697.73 = 9,570,934.51 : x
  2. Step 2: Convert to fraction form
    20,938,457.50/31,407,697.73 = 9,570,934.51/x
  3. Step 3: Cross multiply
    20,938,457.50x = 31,407,697.73 × 9,570,934.51
  4. Step 4: Simplify right side
    20,938,457.50x = 300,601,018,035,851
  5. Step 5: Solve for x
    x = 300,601,018,035,851/20,938,457.50
  6. Step 6: Final answer
    x = 14,356,407.01

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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.