Finding the Fourth Proportional to 26,879,810.04, 40,319,599.64 and 7,448,980.26
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Solution
The fourth proportional to 26,879,810.04, 40,319,599.64 and 7,448,980.26 is: 11,173,438.40
Step by Step Solution
- Step 1: Write the proportion equation
26,879,810.04 : 40,319,599.64 = 7,448,980.26 : x - Step 2: Convert to fraction form
26,879,810.04/40,319,599.64 = 7,448,980.26/x - Step 3: Cross multiply
26,879,810.04x = 40,319,599.64 × 7,448,980.26 - Step 4: Simplify right side
26,879,810.04x = 300,339,901,809,463.12 - Step 5: Solve for x
x = 300,339,901,809,463.12/26,879,810.04 - Step 6: Final answer
x = 11,173,438.40
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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.