Home / 30,257,430.51-41,749,543.40-18,035,424.75

Finding the Fourth Proportional to 30,257,430.51, 41,749,543.40 and 18,035,424.75

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Solution

The fourth proportional to 30,257,430.51, 41,749,543.40 and 18,035,424.75 is: 24,885,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257,430.51 : 41,749,543.40 = 18,035,424.75 : x
  2. Step 2: Convert to fraction form
    30,257,430.51/41,749,543.40 = 18,035,424.75/x
  3. Step 3: Cross multiply
    30,257,430.51x = 41,749,543.40 × 18,035,424.75
  4. Step 4: Simplify right side
    30,257,430.51x = 752,970,748,173,900.12
  5. Step 5: Solve for x
    x = 752,970,748,173,900.12/30,257,430.51
  6. Step 6: Final answer
    x = 24,885,482.20

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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.