Finding the Fourth Proportional to 26,257,451.13, 39,400,053.30 and 18,630,387.05
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Solution
The fourth proportional to 26,257,451.13, 39,400,053.30 and 18,630,387.05 is: 27,955,426.40
Step by Step Solution
- Step 1: Write the proportion equation
26,257,451.13 : 39,400,053.30 = 18,630,387.05 : x - Step 2: Convert to fraction form
26,257,451.13/39,400,053.30 = 18,630,387.05/x - Step 3: Cross multiply
26,257,451.13x = 39,400,053.30 × 18,630,387.05 - Step 4: Simplify right side
26,257,451.13x = 734,038,242,572,629.50 - Step 5: Solve for x
x = 734,038,242,572,629.50/26,257,451.13 - Step 6: Final answer
x = 27,955,426.40
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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.