Home / 13,449,259-18,547,030.38-9,048,898.36

Finding the Fourth Proportional to 13,449,259, 18,547,030.38 and 9,048,898.36

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Solution

The fourth proportional to 13,449,259, 18,547,030.38 and 9,048,898.36 is: 12,478,768.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449,259 : 18,547,030.38 = 9,048,898.36 : x
  2. Step 2: Convert to fraction form
    13,449,259/18,547,030.38 = 9,048,898.36/x
  3. Step 3: Cross multiply
    13,449,259x = 18,547,030.38 × 9,048,898.36
  4. Step 4: Simplify right side
    13,449,259x = 167,830,192,788,452.16
  5. Step 5: Solve for x
    x = 167,830,192,788,452.16/13,449,259
  6. Step 6: Final answer
    x = 12,478,768.74

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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.