Home / 62,009,785.40-93,014,678.10-18,878,646.20

Finding the Fourth Proportional to 62,009,785.40, 93,014,678.10 and 18,878,646.20

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Solution

The fourth proportional to 62,009,785.40, 93,014,678.10 and 18,878,646.20 is: 28,317,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,009,785.40 : 93,014,678.10 = 18,878,646.20 : x
  2. Step 2: Convert to fraction form
    62,009,785.40/93,014,678.10 = 18,878,646.20/x
  3. Step 3: Cross multiply
    62,009,785.40x = 93,014,678.10 × 18,878,646.20
  4. Step 4: Simplify right side
    62,009,785.40x = 1,755,991,199,256,788
  5. Step 5: Solve for x
    x = 1,755,991,199,256,788/62,009,785.40
  6. Step 6: Final answer
    x = 28,317,969.30

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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.