Home / 30,249,521.80-45,374,282.70-10,052,139.40

Finding the Fourth Proportional to 30,249,521.80, 45,374,282.70 and 10,052,139.40

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Solution

The fourth proportional to 30,249,521.80, 45,374,282.70 and 10,052,139.40 is: 15,078,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,249,521.80 : 45,374,282.70 = 10,052,139.40 : x
  2. Step 2: Convert to fraction form
    30,249,521.80/45,374,282.70 = 10,052,139.40/x
  3. Step 3: Cross multiply
    30,249,521.80x = 45,374,282.70 × 10,052,139.40
  4. Step 4: Simplify right side
    30,249,521.80x = 456,108,614,875,408.44
  5. Step 5: Solve for x
    x = 456,108,614,875,408.44/30,249,521.80
  6. Step 6: Final answer
    x = 15,078,209.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.