Home / 30,240,070.40-45,360,105.60-10,045,312.40

Finding the Fourth Proportional to 30,240,070.40, 45,360,105.60 and 10,045,312.40

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Solution

The fourth proportional to 30,240,070.40, 45,360,105.60 and 10,045,312.40 is: 15,067,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,240,070.40 : 45,360,105.60 = 10,045,312.40 : x
  2. Step 2: Convert to fraction form
    30,240,070.40/45,360,105.60 = 10,045,312.40/x
  3. Step 3: Cross multiply
    30,240,070.40x = 45,360,105.60 × 10,045,312.40
  4. Step 4: Simplify right side
    30,240,070.40x = 455,656,431,248,989.50
  5. Step 5: Solve for x
    x = 455,656,431,248,989.50/30,240,070.40
  6. Step 6: Final answer
    x = 15,067,968.60

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1.5x scale

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.