Finding the Fourth Proportional to 40,430,965.60, 60,605,114.10 and 19,929,152.80
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Solution
The fourth proportional to 40,430,965.60, 60,605,114.10 and 19,929,152.80 is: 29,873,354.78
Step by Step Solution
- Step 1: Write the proportion equation
40,430,965.60 : 60,605,114.10 = 19,929,152.80 : x - Step 2: Convert to fraction form
40,430,965.60/60,605,114.10 = 19,929,152.80/x - Step 3: Cross multiply
40,430,965.60x = 60,605,114.10 × 19,929,152.80 - Step 4: Simplify right side
40,430,965.60x = 1,207,808,579,360,334.50 - Step 5: Solve for x
x = 1,207,808,579,360,334.50/40,430,965.60 - Step 6: Final answer
x = 29,873,354.78
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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.