Finding the Fourth Proportional to 26,292,468.70, 39,441,775.05 and 8,343,387.10
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Solution
The fourth proportional to 26,292,468.70, 39,441,775.05 and 8,343,387.10 is: 12,516,055.49
Step by Step Solution
- Step 1: Write the proportion equation
26,292,468.70 : 39,441,775.05 = 8,343,387.10 : x - Step 2: Convert to fraction form
26,292,468.70/39,441,775.05 = 8,343,387.10/x - Step 3: Cross multiply
26,292,468.70x = 39,441,775.05 × 8,343,387.10 - Step 4: Simplify right side
26,292,468.70x = 329,077,997,153,271.81 - Step 5: Solve for x
x = 329,077,997,153,271.81/26,292,468.70 - Step 6: Final answer
x = 12,516,055.49
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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.