Finding the Fourth Proportional to 8,880,394.36, 12,254,598.30 and 5,574,466.84
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Solution
The fourth proportional to 8,880,394.36, 12,254,598.30 and 5,574,466.84 is: 7,692,547.10
Step by Step Solution
- Step 1: Write the proportion equation
8,880,394.36 : 12,254,598.30 = 5,574,466.84 : x - Step 2: Convert to fraction form
8,880,394.36/12,254,598.30 = 5,574,466.84/x - Step 3: Cross multiply
8,880,394.36x = 12,254,598.30 × 5,574,466.84 - Step 4: Simplify right side
8,880,394.36x = 68,312,851,860,870.38 - Step 5: Solve for x
x = 68,312,851,860,870.38/8,880,394.36 - Step 6: Final answer
x = 7,692,547.10
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.