Home / 9,355,553.51-12,910,875.68-5,490,862.07

Finding the Fourth Proportional to 9,355,553.51, 12,910,875.68 and 5,490,862.07

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Solution

The fourth proportional to 9,355,553.51, 12,910,875.68 and 5,490,862.07 is: 7,577,513.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355,553.51 : 12,910,875.68 = 5,490,862.07 : x
  2. Step 2: Convert to fraction form
    9,355,553.51/12,910,875.68 = 5,490,862.07/x
  3. Step 3: Cross multiply
    9,355,553.51x = 12,910,875.68 × 5,490,862.07
  4. Step 4: Simplify right side
    9,355,553.51x = 70,891,837,534,343.16
  5. Step 5: Solve for x
    x = 70,891,837,534,343.16/9,355,553.51
  6. Step 6: Final answer
    x = 7,577,513.98

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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.