Finding the Fourth Proportional to 26,824,204.40, 40,208,750.40 and 13,156,329.20
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Solution
The fourth proportional to 26,824,204.40, 40,208,750.40 and 13,156,329.20 is: 19,720,978.45
Step by Step Solution
- Step 1: Write the proportion equation
26,824,204.40 : 40,208,750.40 = 13,156,329.20 : x - Step 2: Convert to fraction form
26,824,204.40/40,208,750.40 = 13,156,329.20/x - Step 3: Cross multiply
26,824,204.40x = 40,208,750.40 × 13,156,329.20 - Step 4: Simplify right side
26,824,204.40x = 528,999,556,983,031.62 - Step 5: Solve for x
x = 528,999,556,983,031.62/26,824,204.40 - Step 6: Final answer
x = 19,720,978.45
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.