Home / 9,989,810.24-13,785,972-5,406,130.24

Finding the Fourth Proportional to 9,989,810.24, 13,785,972 and 5,406,130.24

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Solution

The fourth proportional to 9,989,810.24, 13,785,972 and 5,406,130.24 is: 7,460,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,810.24 : 13,785,972 = 5,406,130.24 : x
  2. Step 2: Convert to fraction form
    9,989,810.24/13,785,972 = 5,406,130.24/x
  3. Step 3: Cross multiply
    9,989,810.24x = 13,785,972 × 5,406,130.24
  4. Step 4: Simplify right side
    9,989,810.24x = 74,528,760,116,993.28
  5. Step 5: Solve for x
    x = 74,528,760,116,993.28/9,989,810.24
  6. Step 6: Final answer
    x = 7,460,478.06

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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.