Home / 11,478,486.68-15,841,430.47-8,572,833.01

Finding the Fourth Proportional to 11,478,486.68, 15,841,430.47 and 8,572,833.01

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Solution

The fourth proportional to 11,478,486.68, 15,841,430.47 and 8,572,833.01 is: 11,831,345.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,478,486.68 : 15,841,430.47 = 8,572,833.01 : x
  2. Step 2: Convert to fraction form
    11,478,486.68/15,841,430.47 = 8,572,833.01/x
  3. Step 3: Cross multiply
    11,478,486.68x = 15,841,430.47 × 8,572,833.01
  4. Step 4: Simplify right side
    11,478,486.68x = 135,805,938,058,835.81
  5. Step 5: Solve for x
    x = 135,805,938,058,835.81/11,478,486.68
  6. Step 6: Final answer
    x = 11,831,345.18

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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.