Finding the Fourth Proportional to 7,004,547.90, 10,506,821.85 and 6,225,101.10
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Solution
The fourth proportional to 7,004,547.90, 10,506,821.85 and 6,225,101.10 is: 9,337,651.65
Step by Step Solution
- Step 1: Write the proportion equation
7,004,547.90 : 10,506,821.85 = 6,225,101.10 : x - Step 2: Convert to fraction form
7,004,547.90/10,506,821.85 = 6,225,101.10/x - Step 3: Cross multiply
7,004,547.90x = 10,506,821.85 × 6,225,101.10 - Step 4: Simplify right side
7,004,547.90x = 65,406,028,255,939.03 - Step 5: Solve for x
x = 65,406,028,255,939.03/7,004,547.90 - Step 6: Final answer
x = 9,337,651.65
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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.